diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index ec1b12e..8bba3cb 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -25,7 +25,7 @@
     @classmethod
     def setup_clients(cls):
         super(RegionsTestJSON, cls).setup_clients()
-        cls.client = cls.region_client
+        cls.client = cls.regions_client
 
     @classmethod
     def resource_setup(cls):
diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index adabdd2..4879adb 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -143,7 +143,7 @@
         cls.client = cls.os_adm.identity_v3_client
         cls.token = cls.os_adm.token_v3_client
         cls.endpoints_client = cls.os_adm.endpoints_client
-        cls.region_client = cls.os_adm.region_client
+        cls.regions_client = cls.os_adm.regions_client
         cls.services_client = cls.os_adm.identity_services_client
         cls.policies_client = cls.os_adm.policies_client
         cls.creds_client = cls.os_adm.credentials_client
diff --git a/tempest/clients.py b/tempest/clients.py
index 9dd6928..ba0ab04 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -101,8 +101,8 @@
 from tempest.services.identity.v3.json.identity_client import IdentityV3Client
 from tempest.services.identity.v3.json.policies_client import \
     PoliciesClient as PoliciesV3Client
-from tempest.services.identity.v3.json.region_client import \
-    RegionClient as RegionV3Client
+from tempest.services.identity.v3.json.regions_client import \
+    RegionsClient as RegionsV3Client
 from tempest.services.identity.v3.json.services_client import \
     ServicesClient as IdentityServicesV3Client
 from tempest.services.image.v1.json.images_client import ImagesClient
@@ -452,7 +452,7 @@
             self.auth_provider, **params_v3)
         self.policies_client = PoliciesV3Client(self.auth_provider,
                                                 **params_v3)
-        self.region_client = RegionV3Client(self.auth_provider, **params_v3)
+        self.regions_client = RegionsV3Client(self.auth_provider, **params_v3)
         self.credentials_client = CredentialsV3Client(self.auth_provider,
                                                       **params_v3)
         self.groups_client = GroupsV3Client(self.auth_provider, **params_v3)
diff --git a/tempest/services/identity/v3/json/region_client.py b/tempest/services/identity/v3/json/regions_client.py
similarity index 98%
rename from tempest/services/identity/v3/json/region_client.py
rename to tempest/services/identity/v3/json/regions_client.py
index 3595391..bc4b7a1 100644
--- a/tempest/services/identity/v3/json/region_client.py
+++ b/tempest/services/identity/v3/json/regions_client.py
@@ -23,7 +23,7 @@
 from tempest.common import service_client
 
 
-class RegionClient(service_client.ServiceClient):
+class RegionsClient(service_client.ServiceClient):
     api_version = "v3"
 
     def create_region(self, region_id=None, **kwargs):
diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
index af19c0e..60d1d76 100644
--- a/tempest/tests/common/test_service_clients.py
+++ b/tempest/tests/common/test_service_clients.py
@@ -31,7 +31,7 @@
 from tempest.services.identity.v3.json import identity_client as \
     identity_v3_identity_client
 from tempest.services.identity.v3.json import policies_client
-from tempest.services.identity.v3.json import region_client
+from tempest.services.identity.v3.json import regions_client
 from tempest.services.identity.v3.json import services_client
 from tempest.services.image.v1.json import images_client
 from tempest.services.image.v2.json import images_client as images_v2_client
@@ -127,7 +127,7 @@
             endpoints_client.EndPointClient,
             identity_v3_identity_client.IdentityV3Client,
             policies_client.PoliciesClient,
-            region_client.RegionClient,
+            regions_client.RegionsClient,
             services_client.ServicesClient,
             images_client.ImagesClient,
             images_v2_client.ImagesClientV2