diff --git a/.changelog/22295.txt b/.changelog/22295.txt
new file mode 100644
index 00000000000..cea671b2371
--- /dev/null
+++ b/.changelog/22295.txt
@@ -0,0 +1,15 @@
+```release-note:enhancement
+data-source/aws_cloudtrail_service_account: Add service account ID for `ap-southeast-3` AWS Region
+```
+
+```release-note:enhancement
+data-source/aws_elb_hosted_zone_id: Add hosted zone ID for `ap-southeast-3` AWS Region
+```
+
+```release-note:enhancement
+data-source/aws_s3_bucket: Add hosted zone ID for `ap-southeast-3` AWS Region
+```
+
+```release-note:enhancement
+resource/aws_s3_bucket: Add hosted zone ID for `ap-southeast-3` AWS Region
+```
\ No newline at end of file
diff --git a/internal/service/cloudtrail/service_account_data_source.go b/internal/service/cloudtrail/service_account_data_source.go
index adbf1312e9b..43c5a7e9ba2 100644
--- a/internal/service/cloudtrail/service_account_data_source.go
+++ b/internal/service/cloudtrail/service_account_data_source.go
@@ -21,6 +21,7 @@ var ServiceAccountPerRegionMap = map[string]string{
 	endpoints.ApSouth1RegionID:     "977081816279",
 	endpoints.ApSoutheast1RegionID: "903692715234",
 	endpoints.ApSoutheast2RegionID: "284668455005",
+	endpoints.ApSoutheast3RegionID: "069019280451",
 	endpoints.CaCentral1RegionID:   "819402241893",
 	endpoints.CnNorth1RegionID:     "193415116832",
 	endpoints.CnNorthwest1RegionID: "681348832753",
diff --git a/internal/service/elb/hosted_zone_id_data_source.go b/internal/service/elb/hosted_zone_id_data_source.go
index 310b863fae4..59720e3397a 100644
--- a/internal/service/elb/hosted_zone_id_data_source.go
+++ b/internal/service/elb/hosted_zone_id_data_source.go
@@ -19,6 +19,7 @@ var HostedZoneIdPerRegionMap = map[string]string{
 	endpoints.ApSouth1RegionID:     "ZP97RAFLXTNZK",
 	endpoints.ApSoutheast1RegionID: "Z1LMS91P8CMLE5",
 	endpoints.ApSoutheast2RegionID: "Z1GM3OXH4ZPM65",
+	endpoints.ApSoutheast3RegionID: "Z08888821HLRG5A9ZRTER",
 	endpoints.CaCentral1RegionID:   "ZQSVJUPU6J1EY",
 	endpoints.CnNorth1RegionID:     "Z1GDH35T77C1KE",
 	endpoints.CnNorthwest1RegionID: "ZM7IZAIOVVDZF",
diff --git a/internal/service/s3/hosted_zones.go b/internal/service/s3/hosted_zones.go
index b31b2044384..ae78175c5f8 100644
--- a/internal/service/s3/hosted_zones.go
+++ b/internal/service/s3/hosted_zones.go
@@ -16,6 +16,7 @@ var hostedZoneIDsMap = map[string]string{
 	endpoints.ApSouth1RegionID:     "Z11RGJOFQNVJUP",
 	endpoints.ApSoutheast1RegionID: "Z3O0J2DXBE1FTB",
 	endpoints.ApSoutheast2RegionID: "Z1WCIGYICN2BYD",
+	endpoints.ApSoutheast3RegionID: "Z01613992JD795ZI93075",
 	endpoints.CaCentral1RegionID:   "Z1QDHH18159H29",
 	endpoints.CnNorthwest1RegionID: "Z282HJ1KT0DH03",
 	endpoints.EuCentral1RegionID:   "Z21DNDUVLTQW6Q",