diff --git a/.changelog/37018.txt b/.changelog/37018.txt
new file mode 100644
index 000000000000..2f34b11a9efd
--- /dev/null
+++ b/.changelog/37018.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/aws_ecs_account_setting_default: Add support for `fargateTaskRetirementWaitPeriod` value in `Name` argument
+```
\ No newline at end of file
diff --git a/internal/service/ecs/account_setting_default.go b/internal/service/ecs/account_setting_default.go
index a62fca13d663..9f324d029bdc 100644
--- a/internal/service/ecs/account_setting_default.go
+++ b/internal/service/ecs/account_setting_default.go
@@ -147,11 +147,17 @@ func resourceAccountSettingDefaultDelete(ctx context.Context, d *schema.Resource
 	conn := meta.(*conns.AWSClient).ECSConn(ctx)
 
 	settingName := d.Get(names.AttrName).(string)
+	settingValue := "disabled"
+
+	//Default value: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-maintenance.html#task-retirement-change
+	if settingName == ecs.SettingNameFargateTaskRetirementWaitPeriod {
+		settingValue = fargateTaskRetirementWaitPeriodValue
+	}
 
 	log.Printf("[WARN] Disabling ECS Account Setting Default %s", settingName)
 	input := ecs.PutAccountSettingDefaultInput{
 		Name:  aws.String(settingName),
-		Value: aws.String("disabled"),
+		Value: aws.String(settingValue),
 	}
 
 	_, err := conn.PutAccountSettingDefaultWithContext(ctx, &input)
diff --git a/internal/service/ecs/account_setting_default_test.go b/internal/service/ecs/account_setting_default_test.go
index 8b651450c859..f664a3e58cf2 100644
--- a/internal/service/ecs/account_setting_default_test.go
+++ b/internal/service/ecs/account_setting_default_test.go
@@ -23,11 +23,12 @@ func TestAccECSAccountSettingDefault_serial(t *testing.T) {
 	t.Parallel()
 
 	testCases := map[string]func(*testing.T){
-		"containerInstanceLongARNFormat": testAccAccountSettingDefault_containerInstanceLongARNFormat,
-		"serviceLongARNFormat":           testAccAccountSettingDefault_serviceLongARNFormat,
-		"taskLongARNFormat":              testAccAccountSettingDefault_taskLongARNFormat,
-		"vpcTrunking":                    testAccAccountSettingDefault_vpcTrunking,
-		"containerInsights":              testAccAccountSettingDefault_containerInsights,
+		"containerInstanceLongARNFormat":  testAccAccountSettingDefault_containerInstanceLongARNFormat,
+		"serviceLongARNFormat":            testAccAccountSettingDefault_serviceLongARNFormat,
+		"taskLongARNFormat":               testAccAccountSettingDefault_taskLongARNFormat,
+		"vpcTrunking":                     testAccAccountSettingDefault_vpcTrunking,
+		"containerInsights":               testAccAccountSettingDefault_containerInsights,
+		"fargateTaskRetirementWaitPeriod": testAccAccountSettingDefault_fargateTaskRetirementWaitPeriod,
 	}
 
 	acctest.RunSerialTests1Level(t, testCases, 0)
@@ -178,6 +179,35 @@ func testAccAccountSettingDefault_containerInsights(t *testing.T) {
 	})
 }
 
+func testAccAccountSettingDefault_fargateTaskRetirementWaitPeriod(t *testing.T) {
+	ctx := acctest.Context(t)
+	resourceName := "aws_ecs_account_setting_default.test"
+	settingName := ecs.SettingNameFargateTaskRetirementWaitPeriod
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:                 func() { acctest.PreCheck(ctx, t) },
+		ErrorCheck:               acctest.ErrorCheck(t, names.ECSServiceID),
+		ProtoV5ProviderFactories: acctest.ProtoV5ProviderFactories,
+		CheckDestroy:             testAccCheckAccountSettingDefaultDestroy(ctx),
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAccountSettingDefaultConfig_fargateTaskRetirementWaitPeriod(settingName),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr(resourceName, names.AttrName, "fargateTaskRetirementWaitPeriod"),
+					resource.TestCheckResourceAttr(resourceName, names.AttrValue, "14"),
+					acctest.MatchResourceAttrGlobalARN(resourceName, "principal_arn", "iam", regexache.MustCompile("root")),
+				),
+			},
+			{
+				ResourceName:      resourceName,
+				ImportStateId:     "fargateTaskRetirementWaitPeriod",
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
+		},
+	})
+}
+
 func testAccCheckAccountSettingDefaultDestroy(ctx context.Context) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		conn := acctest.Provider.Meta().(*conns.AWSClient).ECSConn(ctx)
@@ -205,7 +235,7 @@ func testAccCheckAccountSettingDefaultDestroy(ctx context.Context) resource.Test
 			}
 
 			for _, value := range resp.Settings {
-				if aws.StringValue(value.Value) != "disabled" {
+				if aws.StringValue(value.Value) != "disabled" && aws.StringValue(value.Value) != "7" {
 					switch name {
 					case ecs.SettingNameContainerInstanceLongArnFormat:
 						return nil
@@ -232,3 +262,12 @@ resource "aws_ecs_account_setting_default" "test" {
 }
 `, settingName)
 }
+
+func testAccAccountSettingDefaultConfig_fargateTaskRetirementWaitPeriod(settingName string) string {
+	return fmt.Sprintf(`
+resource "aws_ecs_account_setting_default" "test" {
+  name  = %[1]q
+  value = "14"
+}
+`, settingName)
+}
diff --git a/internal/service/ecs/consts.go b/internal/service/ecs/consts.go
index 51cea2cb9aec..fe9075359588 100644
--- a/internal/service/ecs/consts.go
+++ b/internal/service/ecs/consts.go
@@ -17,3 +17,7 @@ const (
 	clusterStatusInactive       = "INACTIVE"
 	clusterStatusProvisioning   = "PROVISIONING"
 )
+
+const (
+	fargateTaskRetirementWaitPeriodValue = "7"
+)