diff --git a/docs/gl_objects/groups.rst b/docs/gl_objects/groups.rst
@@ -458,3 +458,24 @@ Edit group push rules::
 Delete group push rules::
 
     pr.delete()
+
+Group Service Account
+=====================
+
+Reference
+---------
+
+* v4 API:
+
+  + :class:`gitlab.v4.objects.GroupServiceAccount`
+  + :class:`gitlab.v4.objects.GroupServiceAccountManager`
+  + :attr:`gitlab.v4.objects.Group.serviceaccounts`
+
+* GitLab API: https://docs.gitlab.com/ee/api/groups.html#service-accounts
+
+Examples
+---------
+
+Create group service account (only allowed at top level group)::
+
+    group.serviceaccount.create({'name': 'group-service-account', 'username': 'group-service-account'})
diff --git a/gitlab/v4/objects/__init__.py b/gitlab/v4/objects/__init__.py
@@ -59,6 +59,7 @@
 from .reviewers import *
 from .runners import *
 from .secure_files import *
+from .service_accounts import *
 from .settings import *
 from .sidekiq import *
 from .snippets import *

diff --git a/gitlab/v4/objects/groups.py b/gitlab/v4/objects/groups.py
@@ -46,6 +46,7 @@
 from .projects import GroupProjectManager, SharedProjectManager  # noqa: F401
 from .push_rules import GroupPushRulesManager
 from .runners import GroupRunnerManager  # noqa: F401
+from .service_accounts import GroupServiceAccountManager  # noqa: F401
 from .statistics import GroupIssuesStatisticsManager  # noqa: F401
 from .variables import GroupVariableManager  # noqa: F401
 from .wikis import GroupWikiManager  # noqa: F401
@@ -102,6 +103,7 @@ class Group(SaveMixin, ObjectDeleteMixin, RESTObject):
     variables: GroupVariableManager
     wikis: GroupWikiManager
     saml_group_links: "GroupSAMLGroupLinkManager"
+    service_accounts: "GroupServiceAccountManager"
 
     @cli.register_custom_action("Group", ("project_id",))
     @exc.on_http_error(exc.GitlabTransferProjectError)

diff --git a/gitlab/v4/objects/service_accounts.py b/gitlab/v4/objects/service_accounts.py
@@ -0,0 +1,18 @@
+from gitlab.base import RESTManager, RESTObject
+from gitlab.mixins import CreateMixin
+from gitlab.types import RequiredOptional
+
+__all__ = ["GroupServiceAccount", "GroupServiceAccountManager"]
+
+
+class GroupServiceAccount(RESTObject):
+    pass
+
+
+class GroupServiceAccountManager(CreateMixin, RESTManager):
+    _path = "/groups/{group_id}/service_accounts"
+    _obj_cls = GroupServiceAccount
+    _from_parent_attrs = {"group_id": "id"}
+    _create_attrs = RequiredOptional(
+        optional=("name", "username"),
+    )
diff --git a/tests/functional/api/test_groups.py b/tests/functional/api/test_groups.py
@@ -308,3 +308,12 @@ def test_group_saml_group_links(group):
     group.saml_group_links.create(
         {"saml_group_name": "saml-group-1", "access_level": 10}
     )
+
+
+@pytest.mark.gitlab_premium
+def test_group_service_account(group):
+    service_account = group.service_accounts.create(
+        {"name": "gitlab-service-account", "username": "gitlab-service-account"}
+    )
+    assert service_account.name == "gitlab-service-account"
+    assert service_account.username == "gitlab-service-account"
diff --git a/tests/unit/objects/test_groups.py b/tests/unit/objects/test_groups.py
@@ -83,6 +83,11 @@
     "max_file_size": 100,
 }
 
+service_account_content = {
+    "name": "gitlab-service-account",
+    "username": "gitlab-service-account",
+}
+
 
 @pytest.fixture
 def resp_groups():
@@ -325,6 +330,19 @@ def resp_restore_group(created_content):
         yield rsps
 
 
+@pytest.fixture
+def resp_create_group_service_account():
+    with responses.RequestsMock() as rsps:
+        rsps.add(
+            method=responses.POST,
+            url="http://localhost/api/v4/groups/1/service_accounts",
+            json=service_account_content,
+            content_type="application/json",
+            status=200,
+        )
+        yield rsps
+
+
 def test_get_group(gl, resp_groups):
     data = gl.groups.get(1)
     assert isinstance(data, gitlab.v4.objects.Group)
@@ -466,3 +484,11 @@ def test_delete_saml_group_link(group, resp_delete_saml_group_link):
 
 def test_group_restore(group, resp_restore_group):
     group.restore()
+
+
+def test_create_group_service_account(group, resp_create_group_service_account):
+    service_account = group.service_accounts.create(
+        {"name": "gitlab-service-account", "username": "gitlab-service-account"}
+    )
+    assert service_account.name == "gitlab-service-account"
+    assert service_account.username == "gitlab-service-account"