diff --git a/openstackclient/identity/v3/project.py b/openstackclient/identity/v3/project.py
index ebae733df9..d3618fb3ce 100644
--- a/openstackclient/identity/v3/project.py
+++ b/openstackclient/identity/v3/project.py
@@ -140,15 +140,27 @@ class ListProject(lister.Lister):
             default=False,
             help='List additional fields in output',
         )
+        parser.add_argument(
+            '--domain',
+            metavar='<project-domain>',
+            help='Filter by a specific domain',
+        )
         return parser
 
     def take_action(self, parsed_args):
         self.log.debug('take_action(%s)' % parsed_args)
+        identity_client = self.app.client_manager.identity
         if parsed_args.long:
             columns = ('ID', 'Name', 'Domain ID', 'Description', 'Enabled')
         else:
             columns = ('ID', 'Name')
-        data = self.app.client_manager.identity.projects.list()
+        kwargs = {}
+        if parsed_args.domain:
+            kwargs['domain'] = utils.find_resource(
+                identity_client.domains,
+                parsed_args.domain,
+            ).id
+        data = identity_client.projects.list(**kwargs)
         return (columns,
                 (utils.get_item_properties(
                     s, columns,
diff --git a/openstackclient/tests/identity/v3/test_project.py b/openstackclient/tests/identity/v3/test_project.py
index 517c73c594..0479d37996 100644
--- a/openstackclient/tests/identity/v3/test_project.py
+++ b/openstackclient/tests/identity/v3/test_project.py
@@ -376,6 +376,35 @@ class TestProjectList(TestProject):
         ), )
         self.assertEqual(tuple(data), datalist)
 
+    def test_project_list_domain(self):
+        arglist = [
+            '--domain', identity_fakes.domain_name,
+        ]
+        verifylist = [
+            ('domain', identity_fakes.domain_name),
+        ]
+
+        self.domains_mock.get.return_value = fakes.FakeResource(
+            None,
+            copy.deepcopy(identity_fakes.DOMAIN),
+            loaded=True,
+        )
+
+        parsed_args = self.check_parser(self.cmd, arglist, verifylist)
+
+        # DisplayCommandBase.take_action() returns two tuples
+        columns, data = self.cmd.take_action(parsed_args)
+        self.projects_mock.list.assert_called_with(
+            domain=identity_fakes.domain_id)
+
+        collist = ('ID', 'Name')
+        self.assertEqual(columns, collist)
+        datalist = ((
+            identity_fakes.project_id,
+            identity_fakes.project_name,
+        ), )
+        self.assertEqual(tuple(data), datalist)
+
 
 class TestProjectSet(TestProject):