diff --git a/.changelog/18315.txt b/.changelog/18315.txt
new file mode 100644
index 00000000000..e9a60628eef
--- /dev/null
+++ b/.changelog/18315.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/aws_backup_plan: Add `enable_continuous_backup` argument
+```
\ No newline at end of file
diff --git a/aws/resource_aws_backup_plan.go b/aws/resource_aws_backup_plan.go
index 47f4d8af592..70622d88959 100644
--- a/aws/resource_aws_backup_plan.go
+++ b/aws/resource_aws_backup_plan.go
@@ -57,6 +57,11 @@ func resourceAwsBackupPlan() *schema.Resource {
 							Type:     schema.TypeString,
 							Optional: true,
 						},
+						"enable_continuous_backup": {
+							Type:     schema.TypeBool,
+							Optional: true,
+							Default:  false,
+						},
 						"start_window": {
 							Type:     schema.TypeInt,
 							Optional: true,
@@ -301,6 +306,9 @@ func expandBackupPlanRules(vRules *schema.Set) []*backup.RuleInput {
 		if vSchedule, ok := mRule["schedule"].(string); ok && vSchedule != "" {
 			rule.ScheduleExpression = aws.String(vSchedule)
 		}
+		if vEnableContinuousBackup, ok := mRule["enable_continuous_backup"].(bool); ok {
+			rule.EnableContinuousBackup = aws.Bool(vEnableContinuousBackup)
+		}
 		if vStartWindow, ok := mRule["start_window"].(int); ok {
 			rule.StartWindowMinutes = aws.Int64(int64(vStartWindow))
 		}
@@ -393,12 +401,13 @@ func flattenBackupPlanRules(rules []*backup.Rule) *schema.Set {
 
 	for _, rule := range rules {
 		mRule := map[string]interface{}{
-			"rule_name":           aws.StringValue(rule.RuleName),
-			"target_vault_name":   aws.StringValue(rule.TargetBackupVaultName),
-			"schedule":            aws.StringValue(rule.ScheduleExpression),
-			"start_window":        int(aws.Int64Value(rule.StartWindowMinutes)),
-			"completion_window":   int(aws.Int64Value(rule.CompletionWindowMinutes)),
-			"recovery_point_tags": keyvaluetags.BackupKeyValueTags(rule.RecoveryPointTags).IgnoreAws().Map(),
+			"rule_name":                aws.StringValue(rule.RuleName),
+			"target_vault_name":        aws.StringValue(rule.TargetBackupVaultName),
+			"schedule":                 aws.StringValue(rule.ScheduleExpression),
+			"enable_continuous_backup": aws.BoolValue(rule.EnableContinuousBackup),
+			"start_window":             int(aws.Int64Value(rule.StartWindowMinutes)),
+			"completion_window":        int(aws.Int64Value(rule.CompletionWindowMinutes)),
+			"recovery_point_tags":      keyvaluetags.BackupKeyValueTags(rule.RecoveryPointTags).IgnoreAws().Map(),
 		}
 
 		if lifecycle := rule.Lifecycle; lifecycle != nil {
@@ -481,6 +490,9 @@ func backupBackupPlanHash(vRule interface{}) int {
 	if v, ok := mRule["schedule"].(string); ok {
 		buf.WriteString(fmt.Sprintf("%s-", v))
 	}
+	if v, ok := mRule["enable_continuous_backup"].(bool); ok {
+		buf.WriteString(fmt.Sprintf("%t-", v))
+	}
 	if v, ok := mRule["start_window"].(int); ok {
 		buf.WriteString(fmt.Sprintf("%d-", v))
 	}
diff --git a/aws/resource_aws_backup_plan_test.go b/aws/resource_aws_backup_plan_test.go
index 1ae97622b95..c06cc04ceb6 100644
--- a/aws/resource_aws_backup_plan_test.go
+++ b/aws/resource_aws_backup_plan_test.go
@@ -580,6 +580,45 @@ func TestAccAwsBackupPlan_AdvancedBackupSetting(t *testing.T) {
 	})
 }
 
+func TestAccAwsBackupPlan_EnableContinuousBackup(t *testing.T) {
+	var plan backup.GetBackupPlanOutput
+	resourceName := "aws_backup_plan.test"
+	rName := fmt.Sprintf("tf-testacc-backup-%s", acctest.RandString(14))
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t); testAccPreCheckAWSBackup(t) },
+		ErrorCheck:   testAccErrorCheck(t, backup.EndpointsID),
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckAwsBackupPlanDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccAwsBackupPlanConfigEnableContinuousBackup(rName),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAwsBackupPlanExists(resourceName, &plan),
+					testAccMatchResourceAttrRegionalARN(resourceName, "arn", "backup", regexp.MustCompile(`backup-plan:.+`)),
+					resource.TestCheckResourceAttr(resourceName, "name", rName),
+					resource.TestCheckResourceAttr(resourceName, "rule.#", "1"),
+					resource.TestCheckTypeSetElemNestedAttrs(resourceName, "rule.*", map[string]string{
+						"rule_name":                rName,
+						"target_vault_name":        rName,
+						"schedule":                 "cron(0 12 * * ? *)",
+						"enable_continuous_backup": "true",
+						"lifecycle.#":              "1",
+						"lifecycle.0.delete_after": "35",
+					}),
+					resource.TestCheckResourceAttr(resourceName, "tags.%", "0"),
+					resource.TestCheckResourceAttrSet(resourceName, "version"),
+				),
+			},
+			{
+				ResourceName:      resourceName,
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
+		},
+	})
+}
+
 func TestAccAwsBackupPlan_disappears(t *testing.T) {
 	var plan backup.GetBackupPlanOutput
 	resourceName := "aws_backup_plan.test"
@@ -1092,3 +1131,26 @@ resource "aws_backup_plan" "test" {
 }
 `, rName)
 }
+
+func testAccAwsBackupPlanConfigEnableContinuousBackup(rName string) string {
+	return fmt.Sprintf(`
+resource "aws_backup_vault" "test" {
+  name = %[1]q
+}
+
+resource "aws_backup_plan" "test" {
+  name = %[1]q
+
+  rule {
+    rule_name                = %[1]q
+    target_vault_name        = aws_backup_vault.test.name
+    schedule                 = "cron(0 12 * * ? *)"
+    enable_continuous_backup = true
+
+    lifecycle {
+      delete_after = 35
+    }
+  }
+}
+`, rName)
+}
diff --git a/website/docs/r/backup_plan.html.markdown b/website/docs/r/backup_plan.html.markdown
index 832e9b29866..5bb7c3e652f 100644
--- a/website/docs/r/backup_plan.html.markdown
+++ b/website/docs/r/backup_plan.html.markdown
@@ -46,6 +46,7 @@ For **rule** the following attributes are supported:
 * `rule_name` - (Required) An display name for a backup rule.
 * `target_vault_name` - (Required) The name of a logical container where backups are stored.
 * `schedule` - (Optional) A CRON expression specifying when AWS Backup initiates a backup job.
+* `enable_continuous_backup` - (Optional) Enable continuous backups for supported resources.
 * `start_window` - (Optional) The amount of time in minutes before beginning a backup.
 * `completion_window` - (Optional) The amount of time AWS Backup attempts a backup before canceling the job and returning an error.
 * `lifecycle` - (Optional) The lifecycle defines when a protected resource is transitioned to cold storage and when it expires.  Fields documented below.