diff --git a/vertex_ai_index_endpoint_with_false_psc/main.tf b/vertex_ai_index_endpoint_with_false_psc/main.tf
index 9024df9c..b7e09c88 100644
--- a/vertex_ai_index_endpoint_with_false_psc/main.tf
+++ b/vertex_ai_index_endpoint_with_false_psc/main.tf
@@ -1,5 +1,5 @@
 resource "google_vertex_ai_index_endpoint" "index_endpoint" {
-  display_name = "sample-endpoint"
+  display_name = "sample-endpoint-${local.name_suffix}"
   description  = "A sample vertex endpoint"
   region       = "us-central1"
   labels       = {
diff --git a/vertex_ai_index_endpoint_with_psc/main.tf b/vertex_ai_index_endpoint_with_psc/main.tf
index 41ee9748..aa1d3f6c 100644
--- a/vertex_ai_index_endpoint_with_psc/main.tf
+++ b/vertex_ai_index_endpoint_with_psc/main.tf
@@ -1,5 +1,5 @@
 resource "google_vertex_ai_index_endpoint" "index_endpoint" {
-  display_name = "sample-endpoint"
+  display_name = "sample-endpoint-${local.name_suffix}"
   description  = "A sample vertex endpoint"
   region       = "us-central1"
   labels       = {
diff --git a/vertex_ai_index_endpoint_with_public_endpoint/main.tf b/vertex_ai_index_endpoint_with_public_endpoint/main.tf
index 963ae8c8..7ab9cccf 100644
--- a/vertex_ai_index_endpoint_with_public_endpoint/main.tf
+++ b/vertex_ai_index_endpoint_with_public_endpoint/main.tf
@@ -1,5 +1,5 @@
 resource "google_vertex_ai_index_endpoint" "index_endpoint" {
-  display_name = "sample-endpoint"
+  display_name = "sample-endpoint-${local.name_suffix}"
   description  = "A sample vertex endpoint with an public endpoint"
   region       = "us-central1"
   labels       = {