diff --git a/.changelog/28030.txt b/.changelog/28030.txt
new file mode 100644
index 00000000000..9f3e3bb9f41
--- /dev/null
+++ b/.changelog/28030.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/aws_api_gateway_deployment: Add importability
+```
diff --git a/internal/service/apigateway/deployment.go b/internal/service/apigateway/deployment.go
index 0cf2c0c3450..74e84587d06 100644
--- a/internal/service/apigateway/deployment.go
+++ b/internal/service/apigateway/deployment.go
@@ -1,8 +1,10 @@
 package apigateway
 
 import (
+	"context"
 	"fmt"
 	"log"
+	"strings"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -22,6 +24,10 @@ func ResourceDeployment() *schema.Resource {
 		Update: resourceDeploymentUpdate,
 		Delete: resourceDeploymentDelete,
 
+		Importer: &schema.ResourceImporter{
+			StateContext: resourceDeploymentImport,
+		},
+
 		Schema: map[string]*schema.Schema{
 			"rest_api_id": {
 				Type:     schema.TypeString,
@@ -221,3 +227,18 @@ func resourceDeploymentDelete(d *schema.ResourceData, meta interface{}) error {
 
 	return nil
 }
+
+func resourceDeploymentImport(_ context.Context, d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
+	idParts := strings.Split(d.Id(), "/")
+	if len(idParts) != 2 {
+		return nil, fmt.Errorf("Unexpected format of ID (%s), use: 'REST-API-ID/DEPLOYMENT-ID'", d.Id())
+	}
+
+	restApiID := idParts[0]
+	deploymentID := idParts[1]
+
+	d.SetId(deploymentID)
+	d.Set("rest_api_id", restApiID)
+
+	return []*schema.ResourceData{d}, nil
+}
diff --git a/internal/service/apigateway/deployment_test.go b/internal/service/apigateway/deployment_test.go
index ade68071cc4..5d2955b2ebf 100644
--- a/internal/service/apigateway/deployment_test.go
+++ b/internal/service/apigateway/deployment_test.go
@@ -20,7 +20,6 @@ func TestAccAPIGatewayDeployment_basic(t *testing.T) {
 	var deployment apigateway.Deployment
 	resourceName := "aws_api_gateway_deployment.test"
 	restApiResourceName := "aws_api_gateway_rest_api.test"
-	rName := sdkacctest.RandomWithPrefix("tf-acc-test-deployment")
 
 	resource.ParallelTest(t, resource.TestCase{
 		PreCheck:                 func() { acctest.PreCheck(t); acctest.PreCheckAPIGatewayTypeEDGE(t) },
@@ -29,19 +28,25 @@ func TestAccAPIGatewayDeployment_basic(t *testing.T) {
 		CheckDestroy:             testAccCheckDeploymentDestroy,
 		Steps: []resource.TestStep{
 			{
-				Config: testAccDeploymentConfig_stageName(rName),
+				Config: testAccDeploymentConfig_required(),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckDeploymentExists(resourceName, &deployment),
 					resource.TestCheckResourceAttrSet(resourceName, "created_date"),
 					resource.TestCheckResourceAttr(resourceName, "description", ""),
-					acctest.MatchResourceAttrRegionalARN(resourceName, "execution_arn", "execute-api", regexp.MustCompile(fmt.Sprintf(".+/%s", rName))),
-					resource.TestMatchResourceAttr(resourceName, "invoke_url", regexp.MustCompile(fmt.Sprintf("https://.+\\.execute-api\\.%s.amazonaws\\.com/%s", acctest.Region(), rName))),
+					acctest.MatchResourceAttrRegionalARN(resourceName, "execution_arn", "execute-api", regexp.MustCompile(".+/")),
+					resource.TestMatchResourceAttr(resourceName, "invoke_url", regexp.MustCompile(fmt.Sprintf("https://.+\\.execute-api\\.%s.amazonaws\\.com/", acctest.Region()))),
 					resource.TestCheckResourceAttrPair(resourceName, "rest_api_id", restApiResourceName, "id"),
 					resource.TestCheckNoResourceAttr(resourceName, "stage_description"),
-					resource.TestCheckResourceAttr(resourceName, "stage_name", rName),
+					resource.TestCheckNoResourceAttr(resourceName, "stage_name"),
 					resource.TestCheckNoResourceAttr(resourceName, "variables.%"),
 				),
 			},
+			{
+				ResourceName:      resourceName,
+				ImportStateIdFunc: testAccDeploymentImportStateIdFunc(resourceName),
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
 		},
 	})
 }
@@ -184,6 +189,7 @@ func TestAccAPIGatewayDeployment_stageName(t *testing.T) {
 	var deployment apigateway.Deployment
 	var stage apigateway.Stage
 	resourceName := "aws_api_gateway_deployment.test"
+	rName := sdkacctest.RandomWithPrefix("tf-acc-test-deployment")
 
 	resource.ParallelTest(t, resource.TestCase{
 		PreCheck:                 func() { acctest.PreCheck(t); acctest.PreCheckAPIGatewayTypeEDGE(t) },
@@ -192,17 +198,21 @@ func TestAccAPIGatewayDeployment_stageName(t *testing.T) {
 		CheckDestroy:             testAccCheckDeploymentDestroy,
 		Steps: []resource.TestStep{
 			{
-				Config: testAccDeploymentConfig_stageName("test"),
+				Config: testAccDeploymentConfig_stageName(rName),
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckDeploymentExists(resourceName, &deployment),
 					testAccCheckStageExists(resourceName, &stage),
-					resource.TestCheckResourceAttr(resourceName, "stage_name", "test"),
+					resource.TestCheckResourceAttr(resourceName, "stage_name", rName),
+					acctest.MatchResourceAttrRegionalARN(resourceName, "execution_arn", "execute-api", regexp.MustCompile(fmt.Sprintf(".+/%s", rName))),
+					resource.TestMatchResourceAttr(resourceName, "invoke_url", regexp.MustCompile(fmt.Sprintf("https://.+\\.execute-api\\.%s.amazonaws\\.com/%s", acctest.Region(), rName))),
 				),
 			},
 			{
 				Config: testAccDeploymentConfig_required(),
 				Check: resource.ComposeTestCheckFunc(
 					resource.TestCheckNoResourceAttr(resourceName, "stage_name"),
+					acctest.MatchResourceAttrRegionalARN(resourceName, "execution_arn", "execute-api", regexp.MustCompile(".+/")),
+					resource.TestMatchResourceAttr(resourceName, "invoke_url", regexp.MustCompile(fmt.Sprintf("https://.+\\.execute-api\\.%s.amazonaws\\.com/", acctest.Region()))),
 				),
 			},
 		},
@@ -337,6 +347,17 @@ func testAccCheckDeploymentRecreated(i, j *apigateway.Deployment) resource.TestC
 	}
 }
 
+func testAccDeploymentImportStateIdFunc(resourceName string) resource.ImportStateIdFunc {
+	return func(s *terraform.State) (string, error) {
+		rs, ok := s.RootModule().Resources[resourceName]
+		if !ok {
+			return "", fmt.Errorf("Not Found: %s", resourceName)
+		}
+
+		return fmt.Sprintf("%s/%s", rs.Primary.Attributes["rest_api_id"], rs.Primary.ID), nil
+	}
+}
+
 func testAccDeploymentBaseConfig(uri string) string {
 	return fmt.Sprintf(`
 resource "aws_api_gateway_rest_api" "test" {
diff --git a/website/docs/r/api_gateway_deployment.html.markdown b/website/docs/r/api_gateway_deployment.html.markdown
index 84a9881a84c..83a66aff0eb 100644
--- a/website/docs/r/api_gateway_deployment.html.markdown
+++ b/website/docs/r/api_gateway_deployment.html.markdown
@@ -148,3 +148,15 @@ In addition to all arguments above, the following attributes are exported:
   when allowing API Gateway to invoke a Lambda function,
   e.g., `arn:aws:execute-api:eu-west-2:123456789012:z4675bid1j/prod`
 * `created_date` - Creation date of the deployment
+
+## Import
+
+`aws_api_gateway_deployment` can be imported using `REST-API-ID/DEPLOYMENT-ID`, e.g.,
+
+```
+$ terraform import aws_api_gateway_deployment.example aabbccddee/1122334
+```
+
+The `stage_name`, `stage_description`, and `variables` arguments cannot be imported. Use the [`aws_api_gateway_stage` resource](api_gateway_stage.html) to import and manage stages.
+
+The `triggers` argument cannot be imported.
\ No newline at end of file