diff --git a/apps/admin/src/pages/HomePage/HomePage.tsx b/apps/admin/src/pages/HomePage/HomePage.tsx
index 7be8e9e5..0deeaf67 100644
--- a/apps/admin/src/pages/HomePage/HomePage.tsx
+++ b/apps/admin/src/pages/HomePage/HomePage.tsx
@@ -3,9 +3,11 @@ import Header from '../../components/Header/Header';
 import Layout from '../../components/Layout/Layout';
 import { PATH } from '../../constants/routes';
 import Styled from './HomePage.styles';
+import { Dialog, useDialogState } from '@boolti/ui';
 
 const HomePage = () => {
   const toast = useToast();
+  const { open, openDialog, closeDialog } = useDialogState();
 
   return (
     <Layout
@@ -53,6 +55,22 @@ const HomePage = () => {
           정보 제공 토스트 띄우기
         </button>
       </div>
+      <button
+        onClick={() => {
+          openDialog();
+        }}
+      >
+        Open Dialog
+      </button>
+      <Dialog
+        title="Dialog Title"
+        open={open}
+        onClose={() => {
+          closeDialog();
+        }}
+      >
+        <p>Dialog Content</p>
+      </Dialog>
     </Layout>
   );
 };
diff --git a/packages/ui/src/components/Dialog/CloseIcon.tsx b/packages/ui/src/components/Dialog/CloseIcon.tsx
new file mode 100644
index 00000000..710ea599
--- /dev/null
+++ b/packages/ui/src/components/Dialog/CloseIcon.tsx
@@ -0,0 +1,27 @@
+const CloseIcon = () => (
+  <svg width="24" height="24" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
+    <g clipPath="url(#clip0_248_3217)">
+      <path
+        d="M18 6L6 18"
+        stroke="#6D747C"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+      <path
+        d="M6 6L18 18"
+        stroke="#6D747C"
+        strokeWidth="2"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+      />
+    </g>
+    <defs>
+      <clipPath id="clip0_248_3217">
+        <rect width="24" height="24" fill="white" />
+      </clipPath>
+    </defs>
+  </svg>
+);
+
+export default CloseIcon;
diff --git a/packages/ui/src/components/Dialog/Dialog.styles.ts b/packages/ui/src/components/Dialog/Dialog.styles.ts
new file mode 100644
index 00000000..4a778e86
--- /dev/null
+++ b/packages/ui/src/components/Dialog/Dialog.styles.ts
@@ -0,0 +1,54 @@
+import styled from '@emotion/styled';
+
+const DIALOG_WIDTH = '450px';
+
+const DimmedArea = styled.div`
+  position: fixed;
+  inset: 0;
+  background-color: rgba(86, 86, 86, 0.25);
+  display: flex;
+  justify-content: center;
+  align-items: center;
+`;
+
+const Dialog = styled.div`
+  width: ${DIALOG_WIDTH};
+  border-radius: 8px;
+  background-color: ${({ theme }) => theme.palette.grey.w};
+`;
+
+const DialogHeader = styled.div`
+  padding: 16px 32px;
+  border-bottom: 1px solid ${({ theme }) => theme.palette.grey.g30};
+  position: relative;
+`;
+
+const DialogTitle = styled.h2`
+  ${({ theme }) => theme.typo.sh2};
+  color: ${({ theme }) => theme.palette.grey.g70};
+`;
+
+const DialogCloseButton = styled.button`
+  position: absolute;
+  top: 17px;
+  right: 32px;
+  width: 24px;
+  height: 24px;
+  display: inline-flex;
+  justify-content: center;
+  align-items: center;
+  cursor: pointer;
+`;
+
+const DialogContent = styled.div`
+  padding: 32px;
+`;
+
+export default {
+  DimmedArea,
+  Dialog,
+  DialogHeader,
+  DialogTitle,
+  DialogCloseButton,
+  DialogContent,
+};
diff --git a/packages/ui/src/components/Dialog/index.tsx b/packages/ui/src/components/Dialog/index.tsx
new file mode 100644
index 00000000..3c506377
--- /dev/null
+++ b/packages/ui/src/components/Dialog/index.tsx
@@ -0,0 +1,32 @@
+import Portal from '../Portal';
+import CloseIcon from './CloseIcon';
+import Styled from './Dialog.styles';
+
+interface DialogProps {
+  open: boolean;
+  children: React.ReactNode;
+  title?: string;
+  onClose?: () => void;
+}
+
+const Dialog = ({ open, children, title, onClose }: DialogProps) => {
+  if (!open) return null;
+
+  return (
+    <Portal>
+      <Styled.DimmedArea>
+        <Styled.Dialog>
+          <Styled.DialogHeader>
+            <Styled.DialogTitle>{title}</Styled.DialogTitle>
+            <Styled.DialogCloseButton aria-label="닫기" onClick={onClose}>
+              <CloseIcon />
+            </Styled.DialogCloseButton>
+          </Styled.DialogHeader>
+          <Styled.DialogContent>{children}</Styled.DialogContent>
+        </Styled.Dialog>
+      </Styled.DimmedArea>
+    </Portal>
+  );
+};
+
+export default Dialog;
diff --git a/packages/ui/src/components/Portal/index.tsx b/packages/ui/src/components/Portal/index.tsx
new file mode 100644
index 00000000..e33d0d45
--- /dev/null
+++ b/packages/ui/src/components/Portal/index.tsx
@@ -0,0 +1,10 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+
+interface PortalProps {
+  children: React.ReactNode;
+}
+
+const Portal = ({ children }: PortalProps) => ReactDOM.createPortal(children, document.body);
+
+export default Portal;
diff --git a/packages/ui/src/components/index.ts b/packages/ui/src/components/index.ts
index 644c62ed..dca2bd9e 100644
--- a/packages/ui/src/components/index.ts
+++ b/packages/ui/src/components/index.ts
@@ -2,5 +2,6 @@ import ThemeProvider from './ThemeProvider';
 import Button from './Button';
 import TextButton from './TextButton';
 import Badge from './Badge';
+import Dialog from './Dialog';
 
-export { ThemeProvider, Button, TextButton, Badge };
+export { ThemeProvider, Button, TextButton, Badge, Dialog };
diff --git a/packages/ui/src/hooks/index.ts b/packages/ui/src/hooks/index.ts
index bacab629..77cb1424 100644
--- a/packages/ui/src/hooks/index.ts
+++ b/packages/ui/src/hooks/index.ts
@@ -1,3 +1,4 @@
 import useToast from './useToast';
+import useDialogState from './useDialogState';
 
-export { useToast };
+export { useToast, useDialogState };
diff --git a/packages/ui/src/hooks/useDialogState.ts b/packages/ui/src/hooks/useDialogState.ts
new file mode 100644
index 00000000..3d2cbe82
--- /dev/null
+++ b/packages/ui/src/hooks/useDialogState.ts
@@ -0,0 +1,25 @@
+import { useCallback, useState } from 'react';
+
+interface UseDialogParams {
+  defaultOpen?: boolean;
+}
+
+const useDialogState = (params?: UseDialogParams) => {
+  const [open, setOpen] = useState<boolean>(params?.defaultOpen ?? false);
+
+  const openDialog = useCallback(() => {
+    setOpen(true);
+  }, []);
+
+  const closeDialog = useCallback(() => {
+    setOpen(false);
+  }, []);
+
+  return {
+    open,
+    openDialog,
+    closeDialog,
+  };
+};
+
+export default useDialogState;