diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index ccbd9dd8..cb1b5f04 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -9,17 +9,6 @@ plugins {
 android {
     namespace = "com.umcspot.spot"
 
-//    signingConfigs {
-//        getByName("debug") {
-//            val props = gradleLocalProperties(rootDir, providers)
-//
-//            storeFile = file(props.getProperty("DEBUG_STORE_FILE"))
-//            storePassword = props.getProperty("DEBUG_STORE_PASSWORD")
-//            keyAlias = props.getProperty("DEBUG_KEY_ALIAS")
-//            keyPassword = props.getProperty("DEBUG_KEY_PASSWORD")
-//        }
-//    }
-
     buildTypes {
         debug {
             signingConfig = signingConfigs.getByName("debug")
diff --git a/core/designsystem/src/main/java/com/umcspot/spot/designsystem/component/splash.kt b/core/designsystem/src/main/java/com/umcspot/spot/designsystem/component/splash.kt
new file mode 100644
index 00000000..48d78988
--- /dev/null
+++ b/core/designsystem/src/main/java/com/umcspot/spot/designsystem/component/splash.kt
@@ -0,0 +1,61 @@
+package com.umcspot.spot.designsystem.component
+
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
+import com.airbnb.lottie.LottieProperty
+import com.airbnb.lottie.compose.LottieAnimation
+import com.airbnb.lottie.compose.LottieCompositionSpec
+import com.airbnb.lottie.compose.LottieConstants
+import com.airbnb.lottie.compose.rememberLottieComposition
+import com.airbnb.lottie.compose.rememberLottieDynamicProperties
+import com.airbnb.lottie.compose.rememberLottieDynamicProperty
+import com.umcspot.spot.designsystem.R
+import com.umcspot.spot.ui.extension.screenWidthDp
+
+@Composable
+fun Splash(
+    modifier: Modifier = Modifier,
+    speed: Float = 1f,
+    isPlaying: Boolean = true,
+    iterations: Int = LottieConstants.IterateForever,
+    strokeColor: Color? = null,
+    contentDescription: String? = "로딩 중"
+) {
+    val composition by rememberLottieComposition(
+        LottieCompositionSpec.RawRes(R.raw.splash)
+    )
+
+    val dynamicProps = if (strokeColor != null) {
+        rememberLottieDynamicProperties(
+            rememberLottieDynamicProperty(
+                property = LottieProperty.STROKE_COLOR,
+                value = strokeColor.toArgb(),
+                keyPath = arrayOf("**", "Stroke 1")
+            )
+        )
+    } else {
+        null
+    }
+
+    LottieAnimation(
+        composition = composition,
+        iterations = iterations,
+        isPlaying = isPlaying,
+        speed = speed,
+        dynamicProperties = dynamicProps,
+        modifier = modifier
+            .wrapContentSize()
+            .semantics {
+                if (contentDescription != null) this.contentDescription = contentDescription
+            }
+    )
+}
diff --git a/core/designsystem/src/main/res/raw/splash.lottie b/core/designsystem/src/main/res/raw/splash.lottie
new file mode 100644
index 00000000..1914d400
Binary files /dev/null and b/core/designsystem/src/main/res/raw/splash.lottie differ
diff --git a/core/network/src/main/java/com/umcspot/spot/network/TokenAuthenticator.kt b/core/network/src/main/java/com/umcspot/spot/network/TokenAuthenticator.kt
new file mode 100644
index 00000000..b9e21547
--- /dev/null
+++ b/core/network/src/main/java/com/umcspot/spot/network/TokenAuthenticator.kt
@@ -0,0 +1,117 @@
+package com.umcspot.spot.network
+
+import androidx.datastore.core.DataStore
+import com.umcspot.spot.datastore.token.SpotTokenData
+import com.umcspot.spot.datastore.userId.SpotUserIdData
+import com.umcspot.spot.network.service.TokenRefreshService
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.runBlocking
+import okhttp3.Authenticator
+import okhttp3.Request
+import okhttp3.Response
+import okhttp3.Route
+import javax.inject.Inject
+
+class TokenAuthenticator @Inject constructor(
+    private val spotTokenDataStore: DataStore<SpotTokenData>,
+    private val spotUserIdDataStore: DataStore<SpotUserIdData>,
+    private val tokenRefreshService: TokenRefreshService
+) : Authenticator {
+
+    private val refreshLock = Any()
+    private object RefreshAttempted
+
+    override fun authenticate(route: Route?, response: Response): Request? {
+        val refreshAttempted = response.request.tag(RefreshAttempted::class.java) != null
+        if (refreshAttempted) {
+            clearAuthData()
+            return null
+        }
+        if (responseCount(response) >= 2) return null
+        if (response.request.url.encodedPath.endsWith("/api/auth/reissue")) return null
+
+        val requestAccessToken = response.request.header("Authorization")
+            ?.removePrefix("Bearer ")
+            .orEmpty()
+        val latestAccessToken = runBlocking {
+            spotTokenDataStore.data.first().accessToken
+        }
+
+        if (latestAccessToken.isNotBlank() && latestAccessToken != requestAccessToken) {
+            return response.request.newBuilder()
+                .header("Authorization", "Bearer $latestAccessToken")
+                .tag(RefreshAttempted::class.java, RefreshAttempted)
+                .build()
+        }
+
+        synchronized(refreshLock) {
+            val tokenData = runBlocking { spotTokenDataStore.data.first() }
+            if (tokenData.accessToken.isNotBlank() && tokenData.accessToken != requestAccessToken) {
+                return response.request.newBuilder()
+                    .header("Authorization", "Bearer ${tokenData.accessToken}")
+                    .tag(RefreshAttempted::class.java, RefreshAttempted)
+                    .build()
+            }
+
+            val refreshToken = tokenData.refreshToken
+            if (refreshToken.isBlank()) {
+                clearAuthData()
+                return null
+            }
+
+            val refreshResponse = runBlocking {
+                try {
+                    tokenRefreshService.refreshTokenData(refreshToken)
+                } catch (e: Exception) {
+                    clearAuthData()
+                    null
+                }
+            }
+            if (refreshResponse == null) return null
+
+            if (!refreshResponse.isSuccess) {
+                clearAuthData()
+                return null
+            }
+
+            val result = refreshResponse.result
+            runBlocking {
+                spotTokenDataStore.updateData { current ->
+                    current.copy(
+                        accessToken = result.accessToken,
+                        refreshToken = result.refreshToken
+                    )
+                }
+                spotUserIdDataStore.updateData { current ->
+                    current.copy(userId = result.userId)
+                }
+            }
+
+            return response.request.newBuilder()
+                .header("Authorization", "Bearer ${result.accessToken}")
+                .tag(RefreshAttempted::class.java, RefreshAttempted)
+                .build()
+        }
+    }
+
+    private fun clearAuthData() {
+        runBlocking {
+            spotTokenDataStore.updateData { current ->
+                current.copy(accessToken = "", refreshToken = "")
+            }
+            spotUserIdDataStore.updateData { current ->
+                current.copy(userId = "")
+            }
+        }
+    }
+
+    private fun responseCount(response: Response): Int {
+        var count = 1
+        var prior = response.priorResponse
+        while (prior != null) {
+            count++
+            prior = prior.priorResponse
+        }
+        return count
+    }
+}
diff --git a/core/network/src/main/java/com/umcspot/spot/network/di/NetworkModule.kt b/core/network/src/main/java/com/umcspot/spot/network/di/NetworkModule.kt
index a3a56bc7..00223a0a 100644
--- a/core/network/src/main/java/com/umcspot/spot/network/di/NetworkModule.kt
+++ b/core/network/src/main/java/com/umcspot/spot/network/di/NetworkModule.kt
@@ -4,6 +4,8 @@ import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFact
 import com.umcspot.spot.common.BuildConfigFieldProvider
 import com.umcspot.spot.common.WeatherConfigFieldProvider
 import com.umcspot.spot.network.AuthInterceptor
+import com.umcspot.spot.network.TokenAuthenticator
+import com.umcspot.spot.network.service.TokenRefreshService
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -34,11 +36,23 @@ object NetworkModule {
     @SpotApi
     fun providesSpotOkHttpClient(
         loggingInterceptor: HttpLoggingInterceptor,
-        authInterceptor: AuthInterceptor
+        authInterceptor: AuthInterceptor,
+        tokenAuthenticator: TokenAuthenticator
     ): OkHttpClient =
         OkHttpClient.Builder()
             .addInterceptor(loggingInterceptor)
             .addInterceptor(authInterceptor)
+            .authenticator(tokenAuthenticator)
+            .build()
+
+    @Provides
+    @Singleton
+    @SpotRefreshApi
+    fun providesSpotRefreshOkHttpClient(
+        loggingInterceptor: HttpLoggingInterceptor,
+    ): OkHttpClient =
+        OkHttpClient.Builder()
+            .addInterceptor(loggingInterceptor)
             .build()
 
     // ---------- Weather API ----------
@@ -74,7 +88,23 @@ object NetworkModule {
             .addConverterFactory(converterFactory)
             .build()
 
-    @Provides @Singleton @WeatherApi
+    @Provides
+    @Singleton
+    @SpotRefreshApi
+    fun providesSpotRefreshRetrofit(
+        @SpotRefreshApi client: OkHttpClient,
+        converterFactory: Converter.Factory,
+        buildConfigProvider: BuildConfigFieldProvider
+    ): Retrofit =
+        Retrofit.Builder()
+            .baseUrl(buildConfigProvider.get().baseUrl)
+            .client(client)
+            .addConverterFactory(converterFactory)
+            .build()
+
+    @Provides
+    @Singleton
+    @WeatherApi
     fun providesWeatherRetrofit(
         @WeatherApi weatherClient: OkHttpClient,
         converterFactory: Converter.Factory,
@@ -85,4 +115,11 @@ object NetworkModule {
             .client(weatherClient)
             .addConverterFactory(converterFactory)
             .build()
-}
\ No newline at end of file
+
+    @Provides
+    @Singleton
+    fun providesTokenRefreshService(
+        @SpotRefreshApi retrofit: Retrofit
+    ): TokenRefreshService =
+        retrofit.create(TokenRefreshService::class.java)
+}
diff --git a/core/network/src/main/java/com/umcspot/spot/network/di/Qualifier.kt b/core/network/src/main/java/com/umcspot/spot/network/di/Qualifier.kt
index df0dcd8a..1c6d0052 100644
--- a/core/network/src/main/java/com/umcspot/spot/network/di/Qualifier.kt
+++ b/core/network/src/main/java/com/umcspot/spot/network/di/Qualifier.kt
@@ -8,4 +8,8 @@ annotation class SpotApi
 
 @Qualifier
 @Retention(AnnotationRetention.BINARY)
-annotation class WeatherApi
\ No newline at end of file
+annotation class WeatherApi
+
+@Qualifier
+@Retention(AnnotationRetention.BINARY)
+annotation class SpotRefreshApi
diff --git a/core/network/src/main/java/com/umcspot/spot/network/model/TokenRefreshResponse.kt b/core/network/src/main/java/com/umcspot/spot/network/model/TokenRefreshResponse.kt
new file mode 100644
index 00000000..872c9c84
--- /dev/null
+++ b/core/network/src/main/java/com/umcspot/spot/network/model/TokenRefreshResponse.kt
@@ -0,0 +1,14 @@
+package com.umcspot.spot.network.model
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class TokenRefreshResponse(
+    @SerialName("id")
+    val userId: String,
+    @SerialName("accessToken")
+    val accessToken: String,
+    @SerialName("refreshToken")
+    val refreshToken: String
+)
diff --git a/core/network/src/main/java/com/umcspot/spot/network/service/TokenRefreshService.kt b/core/network/src/main/java/com/umcspot/spot/network/service/TokenRefreshService.kt
index 6c0421ed..be2f5312 100644
--- a/core/network/src/main/java/com/umcspot/spot/network/service/TokenRefreshService.kt
+++ b/core/network/src/main/java/com/umcspot/spot/network/service/TokenRefreshService.kt
@@ -1,4 +1,15 @@
-package network.service
+package com.umcspot.spot.network.service
 
-class TokenRefreshService {
+
+import com.umcspot.spot.network.model.BaseResponse
+import com.umcspot.spot.network.model.TokenRefreshResponse
+import retrofit2.http.Header
+import retrofit2.http.POST
+
+interface TokenRefreshService {
+
+    @POST("/api/auth/reissue")
+    suspend fun refreshTokenData(
+        @Header("refreshToken") refreshToken: String,
+    ): BaseResponse<TokenRefreshResponse>
 }
\ No newline at end of file
diff --git a/data/login/src/main/java/com/umcspot/spot/login/datasource/LoginDataSource.kt b/data/login/src/main/java/com/umcspot/spot/login/datasource/LoginDataSource.kt
index 79494c1e..f01bd6cb 100644
--- a/data/login/src/main/java/com/umcspot/spot/login/datasource/LoginDataSource.kt
+++ b/data/login/src/main/java/com/umcspot/spot/login/datasource/LoginDataSource.kt
@@ -1,10 +1,13 @@
 package com.umcspot.spot.login.datasource
 
 import com.umcspot.spot.login.dto.response.TokenResponseDto
-import com.umcspot.spot.model.SocialLoginType
 import com.umcspot.spot.network.model.BaseResponse
+import com.umcspot.spot.network.model.NullResultResponse
 
 interface LoginDataSource {
-    suspend fun finishSocialLogin(type : String, accessToken : String): BaseResponse<TokenResponseDto>
+    suspend fun getCallBackToken(type : String, accessToken : String): BaseResponse<TokenResponseDto>
 
+    suspend fun refreshTokenData(refreshToken : String) : BaseResponse<TokenResponseDto>
+
+    suspend fun spotLogout(): NullResultResponse
 }
\ No newline at end of file
diff --git a/data/login/src/main/java/com/umcspot/spot/login/datasourceimpl/LoginDataSourceImpl.kt b/data/login/src/main/java/com/umcspot/spot/login/datasourceimpl/LoginDataSourceImpl.kt
index 29541bfe..b2c75c1a 100644
--- a/data/login/src/main/java/com/umcspot/spot/login/datasourceimpl/LoginDataSourceImpl.kt
+++ b/data/login/src/main/java/com/umcspot/spot/login/datasourceimpl/LoginDataSourceImpl.kt
@@ -1,19 +1,25 @@
 package com.umcspot.spot.login.datasourceimpl
 
-import androidx.datastore.core.DataStore
 import com.umcspot.spot.login.datasource.LoginDataSource
 import com.umcspot.spot.login.dto.response.TokenResponseDto
 import com.umcspot.spot.login.service.LoginService
 import com.umcspot.spot.network.model.BaseResponse
+import com.umcspot.spot.network.model.NullResultResponse
 import javax.inject.Inject
 
 class LoginDataSourceImpl @Inject constructor(
     private val loginService: LoginService
 ) : LoginDataSource {
 
-    override suspend fun finishSocialLogin(
+    override suspend fun getCallBackToken(
         type: String,
         accessToken: String
     ): BaseResponse<TokenResponseDto> =
         loginService.getCallBackToken(type, accessToken)
+
+    override suspend fun refreshTokenData(refreshToken: String): BaseResponse<TokenResponseDto> =
+        loginService.refreshTokenData(refreshToken)
+
+    override suspend fun spotLogout() : NullResultResponse =
+        loginService.spotLogout()
 }
\ No newline at end of file
diff --git a/data/login/src/main/java/com/umcspot/spot/login/repositoryimpl/LoginRepositoryImpl.kt b/data/login/src/main/java/com/umcspot/spot/login/repositoryimpl/LoginRepositoryImpl.kt
index 838a7e6f..3da49b17 100644
--- a/data/login/src/main/java/com/umcspot/spot/login/repositoryimpl/LoginRepositoryImpl.kt
+++ b/data/login/src/main/java/com/umcspot/spot/login/repositoryimpl/LoginRepositoryImpl.kt
@@ -3,15 +3,16 @@ package com.umcspot.spot.login.repositoryimpl
 import androidx.datastore.core.DataStore
 import com.umcspot.spot.datastore.token.SpotTokenData
 import com.umcspot.spot.datastore.userId.SpotUserIdData
+import com.umcspot.spot.login.datasource.LoginDataSource
 import com.umcspot.spot.login.mapper.toDomain
-import com.umcspot.spot.login.service.LoginService
 import com.umcspot.spot.model.SocialLoginType
 import com.umcspot.spot.token.model.TokenResult
 import com.umcspot.spot.token.repository.TokenRepository
+import kotlinx.coroutines.flow.first
 import javax.inject.Inject
 
 class LoginRepositoryImpl @Inject constructor(
-    private val studyService: LoginService,
+    private val loginDataStore: LoginDataSource,
     private val spotTokenDataStore: DataStore<SpotTokenData>,
     private val spotUserIdDataStore: DataStore<SpotUserIdData>
 ) : TokenRepository {
@@ -19,9 +20,9 @@ class LoginRepositoryImpl @Inject constructor(
     override suspend fun finishSocialLogin(
         type: SocialLoginType,
         accessToken: String
-    ): Result<TokenResult> =
+    ): Result<Unit> =
         runCatching {
-            val response = studyService.getCallBackToken(type.title, accessToken)
+            val response = loginDataStore.getCallBackToken(type.title, accessToken)
             val tokenResult: TokenResult = response.result.toDomain()
 
             spotTokenDataStore.updateData { current ->
@@ -36,7 +37,45 @@ class LoginRepositoryImpl @Inject constructor(
                     userId = tokenResult.userId
                 )
             }
+        }
+
+    override suspend fun refreshTokenData(
+    ): Result<Unit> =
+        runCatching {
+            val tokenData = spotTokenDataStore.data.first()
+            val refreshToken = tokenData.refreshToken
+
+
+            require(refreshToken.isNotBlank()) { "Refresh token is empty" }
+
+            val response = loginDataStore.refreshTokenData(refreshToken)
+            val tokenResult: TokenResult = response.result.toDomain()
+
+            spotTokenDataStore.updateData { current ->
+                current.copy(
+                    accessToken = tokenResult.accessToken,
+                    refreshToken = tokenResult.refreshToken
+                )
+            }
 
-            tokenResult
+            spotUserIdDataStore.updateData { current ->
+                current.copy(userId = tokenResult.userId)
+            }
+        }
+
+    override suspend fun spotLogout(): Result<Unit> =
+        runCatching {
+            loginDataStore.spotLogout().code
+
+            spotTokenDataStore.updateData { current ->
+                current.copy(
+                    accessToken = "",
+                    refreshToken = ""
+                )
+            }
+
+            spotUserIdDataStore.updateData { current ->
+                current.copy(userId = "")
+            }
         }
-}
\ No newline at end of file
+}
diff --git a/data/login/src/main/java/com/umcspot/spot/login/service/LoginService.kt b/data/login/src/main/java/com/umcspot/spot/login/service/LoginService.kt
index 947e19da..caee04c3 100644
--- a/data/login/src/main/java/com/umcspot/spot/login/service/LoginService.kt
+++ b/data/login/src/main/java/com/umcspot/spot/login/service/LoginService.kt
@@ -2,7 +2,11 @@ package com.umcspot.spot.login.service
 
 import com.umcspot.spot.login.dto.response.TokenResponseDto
 import com.umcspot.spot.network.model.BaseResponse
+import com.umcspot.spot.network.model.NullResultResponse
 import retrofit2.http.GET
+import retrofit2.http.HEAD
+import retrofit2.http.Header
+import retrofit2.http.POST
 import retrofit2.http.Path
 import retrofit2.http.Query
 
@@ -14,4 +18,13 @@ interface LoginService {
         @Query("accessToken") accessToken : String
     ) : BaseResponse<TokenResponseDto>
 
+    @POST("/api/auth/reissue")
+    suspend fun refreshTokenData(
+        @Header("refreshToken") refreshToken : String,
+    ) : BaseResponse<TokenResponseDto>
+
+    @POST("/api/auth/logout")
+    suspend fun spotLogout(
+    ) : NullResultResponse
+
 }
diff --git a/domain/token/src/main/java/com/umcspot/spot/token/repository/TokenRepository.kt b/domain/token/src/main/java/com/umcspot/spot/token/repository/TokenRepository.kt
index 7df52445..eb2ef397 100644
--- a/domain/token/src/main/java/com/umcspot/spot/token/repository/TokenRepository.kt
+++ b/domain/token/src/main/java/com/umcspot/spot/token/repository/TokenRepository.kt
@@ -1,8 +1,11 @@
 package com.umcspot.spot.token.repository
 
 import com.umcspot.spot.model.SocialLoginType
-import com.umcspot.spot.token.model.TokenResult
 
 interface TokenRepository {
-    suspend fun finishSocialLogin(type : SocialLoginType, accessToken : String) : Result<TokenResult>
+    suspend fun finishSocialLogin(type : SocialLoginType, accessToken : String) : Result<Unit>
+
+    suspend fun refreshTokenData() : Result<Unit>
+
+    suspend fun spotLogout(): Result<Unit>
 }
\ No newline at end of file
diff --git a/feature/main/src/main/java/com/umcspot/spot/main/MainNavHost.kt b/feature/main/src/main/java/com/umcspot/spot/main/MainNavHost.kt
index 61cb1fd8..83ebcd75 100644
--- a/feature/main/src/main/java/com/umcspot/spot/main/MainNavHost.kt
+++ b/feature/main/src/main/java/com/umcspot/spot/main/MainNavHost.kt
@@ -80,6 +80,7 @@ fun MainNavHost(
     ) {
 
         signupGraph(
+            navigateToLanding = { navigator.navigateToLanding(clearStackNavOptions) },
             navigateToSignUp = { navigator.navigateToSignUp() },
             navigateToCheckList = { navigator.navigateToCheckList() },
             navigateToSaving = { navigator.navigateToSaving() },
diff --git a/feature/main/src/main/java/com/umcspot/spot/main/MainNavigator.kt b/feature/main/src/main/java/com/umcspot/spot/main/MainNavigator.kt
index cf3253b4..3838ad93 100644
--- a/feature/main/src/main/java/com/umcspot/spot/main/MainNavigator.kt
+++ b/feature/main/src/main/java/com/umcspot/spot/main/MainNavigator.kt
@@ -18,6 +18,7 @@ import com.umcspot.spot.feature.board.main.navigation.Board
 import com.umcspot.spot.feature.board.main.navigation.navigateToBoard
 import com.umcspot.spot.feature.board.post.content.navigation.POST_CONTENT_ROUTE
 import com.umcspot.spot.feature.board.post.posting.navigation.Posting
+import com.umcspot.spot.home.navigation.Home
 import com.umcspot.spot.home.navigation.navigateToHome
 import com.umcspot.spot.jjim.navigation.JJim
 import com.umcspot.spot.jjim.navigation.navigateToJJim
@@ -29,12 +30,13 @@ import com.umcspot.spot.mypage.participating.navigation.ParticipatingStudy
 import com.umcspot.spot.mypage.recruiting.application.navigation.STUDY_APPLICATION_ROUTE
 import com.umcspot.spot.mypage.recruiting.navigation.MyRecruitingStudy
 import com.umcspot.spot.mypage.waiting.navigation.WaitingStudy
-import com.umcspot.spot.home.navigation.Home
 import com.umcspot.spot.signup.navigation.CheckList
 import com.umcspot.spot.signup.navigation.Landing
 import com.umcspot.spot.signup.navigation.Saving
 import com.umcspot.spot.signup.navigation.SignUp
+import com.umcspot.spot.signup.navigation.Splash
 import com.umcspot.spot.signup.navigation.navigateToCheckList
+import com.umcspot.spot.signup.navigation.navigateToLanding
 import com.umcspot.spot.signup.navigation.navigateToSaving
 import com.umcspot.spot.signup.navigation.navigateToSignUp
 import com.umcspot.spot.study.detail.navigation.StudyDetail
@@ -63,7 +65,7 @@ class MainNavigator(
             navController
                 .currentBackStackEntryAsState().value?.destination
 
-    val startDestination = Landing
+    val startDestination = Splash
 
     val currentTab: MainNavTab?
         @Composable get() =
@@ -105,7 +107,7 @@ class MainNavigator(
     }
 
     @Composable
-    fun isInLanding(): Boolean = inAnyGraph(Landing::class, Saving::class)
+    fun isInLanding(): Boolean = inAnyGraph(Splash::class, Landing::class, Saving::class)
 
     @Composable
     fun showBackTopBar(): Boolean = inAnyGraph(
@@ -168,6 +170,9 @@ class MainNavigator(
         navController.popBackStack()
     }
 
+    fun navigateToLanding(navOptions: NavOptions? = null) {
+        navController.navigateToLanding(navOptions)
+    }
     fun navigateToSignUp(navOptions: NavOptions? = null) {
         navController.navigateToSignUp(navOptions)
     }
@@ -244,4 +249,4 @@ fun NavDestination.routeMatches(pattern: String): Boolean {
     return if (pattern.contains("{")) {
         actual.startsWith(pattern.substringBefore("{"))
     } else actual == pattern
-}
\ No newline at end of file
+}
diff --git a/feature/mypage/build.gradle.kts b/feature/mypage/build.gradle.kts
index e5d6569c..0000e9ed 100644
--- a/feature/mypage/build.gradle.kts
+++ b/feature/mypage/build.gradle.kts
@@ -9,6 +9,7 @@ android {
 dependencies {
     implementation(projects.domain.study)
     implementation(projects.domain.user)
+    implementation(projects.domain.token)
     implementation(projects.core.designsystem)
     implementation(projects.core.common)
 }
\ No newline at end of file
diff --git a/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageScreen.kt b/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageScreen.kt
index 4cebc772..002e7819 100644
--- a/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageScreen.kt
+++ b/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageScreen.kt
@@ -24,6 +24,7 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -36,6 +37,7 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import kotlinx.coroutines.launch
 import com.umcspot.spot.designsystem.R
 import com.umcspot.spot.designsystem.component.ProfileImage
 import com.umcspot.spot.designsystem.component.SpotSpinner
@@ -70,6 +72,7 @@ fun MyPageScreen(
     viewmodel : MyPageViewModel = hiltViewModel()
 ) {
     val uiState by viewmodel.uiState.collectAsStateWithLifecycle()
+    val scope = rememberCoroutineScope()
 
     LaunchedEffect(Unit) {
         viewmodel.load()
@@ -90,7 +93,12 @@ fun MyPageScreen(
         onEditInterestClick = onEditInterestClick,
         onEditInterestLocationClick = onEditInterestLocationClick,
         onCancelMemberShipClick = onCancelMemberShipClick,
-        onLogoutClick = onLogoutClick
+        onLogoutClick = {
+            scope.launch {
+                viewmodel.logout()
+                onLogoutClick()
+            }
+        }
     )
 }
 
diff --git a/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageViewModel.kt b/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageViewModel.kt
index 5f624c23..5cfd13c7 100644
--- a/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageViewModel.kt
+++ b/feature/mypage/src/main/java/com/umcspot/spot/mypage/main/MyPageViewModel.kt
@@ -6,6 +6,7 @@ import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.viewModelScope
 import com.umcspot.spot.ui.state.UiState
+import com.umcspot.spot.token.repository.TokenRepository
 import com.umcspot.spot.user.repository.UserRepository
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -17,6 +18,7 @@ import javax.inject.Inject
 @HiltViewModel
 class MyPageViewModel @Inject constructor(
     private val userRepository: UserRepository,
+    private val tokenRepository: TokenRepository,
     application: Application
 ) : AndroidViewModel(application) {
     private val _uiState = MutableStateFlow(MyPageState())
@@ -100,11 +102,9 @@ class MyPageViewModel @Inject constructor(
             }
         } catch (e: Exception) {
             Log.e("MyPageViewModel", "loadAppVersion error", e)
-//            _uiState.update {
-//                it.copy(appVersion = UiState.Failure(e.message ?: "앱 버전 조회 실패"))
-//            }
         }
     }
 
+    suspend fun logout() = tokenRepository.spotLogout()
 }
 
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingScreen.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingScreen.kt
index ec1ef48c..005e0cfc 100644
--- a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingScreen.kt
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingScreen.kt
@@ -57,7 +57,7 @@ fun LandingRoute(
     LaunchedEffect(viewModel.sideEffect) {
         viewModel.sideEffect.collectLatest { effect ->
             when (effect) {
-                is LandingSideEffect.NavigateToHome -> navigateToSignUp()
+                is LandingSideEffect.NavigateToSignUp -> navigateToSignUp()
                 is LandingSideEffect.ShowSnackBar -> {
                     snackBarHostState.showSnackbar(effect.message)
                 }
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingState.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingState.kt
index 073c5897..7d62b6b7 100644
--- a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingState.kt
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingState.kt
@@ -5,6 +5,6 @@ data class LandingState(
 )
 
 sealed interface LandingSideEffect {
-    data object NavigateToHome : LandingSideEffect
+    data object NavigateToSignUp : LandingSideEffect
     data class ShowSnackBar(val message: String) : LandingSideEffect
 }
\ No newline at end of file
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingViewModel.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingViewModel.kt
index 2d27871c..8f766a23 100644
--- a/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingViewModel.kt
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/landing/LandingViewModel.kt
@@ -95,7 +95,7 @@ class LandingViewModel @Inject constructor(
                 loginRepository.finishSocialLogin(type = type, accessToken = accessToken)
             }.onSuccess {
                 _uiState.update { it.copy(isLoading = false) }
-                _sideEffect.emit(LandingSideEffect.NavigateToHome)
+                _sideEffect.emit(LandingSideEffect.NavigateToSignUp)
             }.onFailure { e ->
                 handleLoginError("서버 로그인 실패", e)
             }
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/navigation/SignUpNavigation.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/navigation/SignUpNavigation.kt
index 8bdb398d..2b5389c3 100644
--- a/feature/signup/src/main/java/com/umcspot/spot/signup/navigation/SignUpNavigation.kt
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/navigation/SignUpNavigation.kt
@@ -10,6 +10,7 @@ import com.umcspot.spot.signup.landing.LandingRoute
 import com.umcspot.spot.navigation.Route
 import com.umcspot.spot.signup.SignUpRoute
 import com.umcspot.spot.signup.saving.SavingRoute
+import com.umcspot.spot.signup.splash.SplashRoute
 import kotlinx.serialization.Serializable
 
 fun NavController.navigateToSignUp(navOptions: NavOptions? = null) {
@@ -29,15 +30,22 @@ fun NavController.navigateToLanding(navOptions: NavOptions? = null) {
 }
 
 fun NavGraphBuilder.signupGraph(
+    navigateToLanding: () -> Unit,
     navigateToSignUp: () -> Unit,
     navigateToCheckList: () -> Unit,
     navigateToSaving: () -> Unit,
     navigateToHome: () -> Unit,
     contentPadding: PaddingValues,
 ) {
+    composable<Splash> {
+        SplashRoute(
+            navigateToHome = navigateToHome,
+            navigateToLanding = navigateToLanding
+        )
+    }
     composable<Landing> {
         LandingRoute(
-            navigateToSignUp = navigateToSignUp
+            navigateToSignUp = navigateToSignUp,
         )
     }
     composable<SignUp> {
@@ -60,6 +68,9 @@ fun NavGraphBuilder.signupGraph(
     }
 }
 
+@Serializable
+data object Splash : Route
+
 @Serializable
 data object Landing : Route
 
@@ -70,4 +81,4 @@ data object SignUp : Route
 data object CheckList : Route
 
 @Serializable
-data object Saving : Route
\ No newline at end of file
+data object Saving : Route
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashScreen.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashScreen.kt
new file mode 100644
index 00000000..1bd33bc3
--- /dev/null
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashScreen.kt
@@ -0,0 +1,58 @@
+package com.umcspot.spot.signup.splash
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.wrapContentSize
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.hilt.navigation.compose.hiltViewModel
+import com.umcspot.spot.designsystem.component.Splash
+import com.umcspot.spot.designsystem.theme.SpotTheme
+import kotlinx.coroutines.flow.collectLatest
+
+@Composable
+fun SplashRoute(
+    navigateToLanding: () -> Unit,
+    navigateToHome: () -> Unit,
+    modifier: Modifier = Modifier,
+    viewModel: SplashViewModel = hiltViewModel(),
+) {
+    val snackBarHostState = remember { SnackbarHostState() }
+
+    LaunchedEffect(Unit) {
+        viewModel.tryAutoLogin()
+    }
+
+    LaunchedEffect(viewModel.sideEffect) {
+        viewModel.sideEffect.collectLatest { effect ->
+            when (effect) {
+                is SplashSideEffect.NavigateToHome -> navigateToHome()
+                is SplashSideEffect.NavigateToLanding -> navigateToLanding()
+                is SplashSideEffect.ShowSnackBar -> {
+                    snackBarHostState.showSnackbar(effect.message)
+                }
+            }
+        }
+    }
+
+    SplashScreen(modifier = modifier)
+}
+
+@Composable
+fun SplashScreen(
+    modifier: Modifier = Modifier
+) {
+    Box(
+        modifier = modifier
+            .fillMaxSize()
+            .background(SpotTheme.colors.white),
+        contentAlignment = Alignment.Center
+    ) {
+        Splash(modifier = Modifier.wrapContentSize())
+    }
+}
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashState.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashState.kt
new file mode 100644
index 00000000..e1129726
--- /dev/null
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashState.kt
@@ -0,0 +1,11 @@
+package com.umcspot.spot.signup.splash
+
+data class SplashState(
+    val successAutoLogin: Boolean = false,
+)
+
+sealed interface SplashSideEffect {
+    data object NavigateToHome : SplashSideEffect
+    data object NavigateToLanding : SplashSideEffect
+    data class ShowSnackBar(val message: String) : SplashSideEffect
+}
diff --git a/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashViewModel.kt b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashViewModel.kt
new file mode 100644
index 00000000..2b6cadc7
--- /dev/null
+++ b/feature/signup/src/main/java/com/umcspot/spot/signup/splash/SplashViewModel.kt
@@ -0,0 +1,52 @@
+package com.umcspot.spot.signup.splash
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.umcspot.spot.token.repository.TokenRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@HiltViewModel
+class SplashViewModel @Inject constructor(
+    private val loginRepository: TokenRepository,
+) : ViewModel() {
+
+    private val _uiState = MutableStateFlow(SplashState())
+    val uiState = _uiState.asStateFlow()
+
+    private val _sideEffect = MutableSharedFlow<SplashSideEffect>()
+    val sideEffect = _sideEffect.asSharedFlow()
+
+    private var hasStartedAutoLogin = false
+
+    fun tryAutoLogin() {
+        if (hasStartedAutoLogin) return
+        hasStartedAutoLogin = true
+
+        viewModelScope.launch {
+            val minimumSplashDurationMs = 2000L
+            val startedAt = System.currentTimeMillis()
+
+            val result = loginRepository.refreshTokenData()
+
+            val elapsed = System.currentTimeMillis() - startedAt
+            val remain = minimumSplashDurationMs - elapsed
+            if (remain > 0) delay(remain)
+
+            if (result.isSuccess) {
+                _sideEffect.emit(SplashSideEffect.NavigateToHome)
+                _uiState.update { it.copy(successAutoLogin = true) }
+            } else {
+                _sideEffect.emit(SplashSideEffect.NavigateToLanding)
+                _uiState.update { it.copy(successAutoLogin = false) }
+            }
+        }
+    }
+}