diff --git a/manifests/init.pp b/manifests/init.pp
index 2f05ae24..063cbd5c 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -64,12 +64,20 @@
 #   Defaults to undef
 #  [*project_name*]
 #   Defaults to undef
+#  [*user_domain_name*]
+#   Defaults to $::os_service_default
+#  [*project_domain_name*]
+#   Defaults to $::os_service_default
 #  [*alt_username*]
 #   Defaults to undef
 #  [*alt_password*]
 #   Defaults to undef
 #  [*alt_project_name*]
 #   Defaults to undef
+#  [*alt_user_domain_name*]
+#   Defaults to $::os_service_default
+#  [*alt_project_domain_name*]
+#   Defaults to $::os_service_default
 #  [*admin_username*]
 #   Defaults to undef
 #  [*admin_password*]
@@ -293,10 +301,14 @@ class tempest(
   $username                           = undef,
   $password                           = undef,
   $project_name                       = undef,
+  $user_domain_name                   = $::os_service_default,
+  $project_domain_name                = $::os_service_default,
   # another non-admin user
   $alt_username                       = undef,
   $alt_password                       = undef,
   $alt_project_name                   = undef,
+  $alt_user_domain_name               = $::os_service_default,
+  $alt_project_domain_name            = $::os_service_default,
   # admin user
   $admin_username                     = undef,
   $admin_password                     = undef,
@@ -528,11 +540,15 @@ class tempest(
     'identity/alt_password':                           value => $alt_password, secret => true;
     'identity/alt_project_name':                       value => $alt_project_name;
     'identity/alt_username':                           value => $alt_username;
+    'identity/alt_project_domain_name':                value => $project_domain_name;
+    'identity/alt_user_domain_name':                   value => $user_domain_name;
     'identity/password':                               value => $password, secret => true;
     'identity/project_name':                           value => $project_name;
+    'identity/username':                               value => $username;
+    'identity/project_domain_name':                    value => $project_domain_name;
+    'identity/user_domain_name':                       value => $user_domain_name;
     'identity/uri':                                    value => $identity_uri;
     'identity/uri_v3':                                 value => $identity_uri_v3;
-    'identity/username':                               value => $username;
     'identity/auth_version':                           value => $auth_version;
     'identity/ca_certificates_file':                   value => $ca_certificates_file;
     'identity/disable_ssl_certificate_validation':     value => $disable_ssl_validation;
diff --git a/releasenotes/notes/user-domain-params-0f9093ffaac1ee54.yaml b/releasenotes/notes/user-domain-params-0f9093ffaac1ee54.yaml
new file mode 100644
index 00000000..b7e870a4
--- /dev/null
+++ b/releasenotes/notes/user-domain-params-0f9093ffaac1ee54.yaml
@@ -0,0 +1,10 @@
+---
+features:
+  - |
+    The following parameters have been added to the ``tempest`` class to mange
+    domain name parameters for pre-created credentials.
+
+    - ``user_domain_name``
+    - ``project_domain_name``
+    - ``alt_user_domain_name``
+    - ``alt_project_domain_name``
diff --git a/spec/classes/tempest_init_spec.rb b/spec/classes/tempest_init_spec.rb
index 7575d9a5..9ede2225 100644
--- a/spec/classes/tempest_init_spec.rb
+++ b/spec/classes/tempest_init_spec.rb
@@ -225,12 +225,16 @@ describe 'tempest' do
           is_expected.to contain_tempest_config('identity/alt_password').with_secret( true )
           is_expected.to contain_tempest_config('identity/alt_project_name').with(:value => nil)
           is_expected.to contain_tempest_config('identity/alt_username').with(:value => nil)
+          is_expected.to contain_tempest_config('identity/alt_project_domain_name').with(:value => '<SERVICE DEFAULT>')
+          is_expected.to contain_tempest_config('identity/alt_user_domain_name').with(:value => '<SERVICE DEFAULT>')
           is_expected.to contain_tempest_config('identity/password').with(:value => nil)
           is_expected.to contain_tempest_config('identity/password').with_secret( true )
           is_expected.to contain_tempest_config('identity/project_name').with(:value => nil)
+          is_expected.to contain_tempest_config('identity/username').with(:value => nil)
+          is_expected.to contain_tempest_config('identity/project_domain_name').with(:value => '<SERVICE DEFAULT>')
+          is_expected.to contain_tempest_config('identity/user_domain_name').with(:value => '<SERVICE DEFAULT>')
           is_expected.to contain_tempest_config('identity/uri').with(:value => nil)
           is_expected.to contain_tempest_config('identity/uri_v3').with(:value => nil)
-          is_expected.to contain_tempest_config('identity/username').with(:value => nil)
           is_expected.to contain_tempest_config('identity/ca_certificates_file').with(:value => nil)
           is_expected.to contain_tempest_config('identity/disable_ssl_certificate_validation').with(:value => nil)
           is_expected.to contain_tempest_config('identity-feature-enabled/api_v3').with(:value => true)