diff --git a/dnscms/dnscms/apps.py b/dnscms/dnscms/apps.py
index 9b4493b..f308485 100644
--- a/dnscms/dnscms/apps.py
+++ b/dnscms/dnscms/apps.py
@@ -1,4 +1,5 @@
 from django.apps import AppConfig
+from wagtail.users.apps import WagtailUsersAppConfig
 
 
 class DnsCmsConfig(AppConfig):
@@ -9,3 +10,7 @@ class DnsCmsConfig(AppConfig):
         from dnscms.revalidation import register_signal_handlers
 
         register_signal_handlers()
+
+
+class UsersConfig(WagtailUsersAppConfig):
+    user_viewset = "dnscms.oidc.GaltinnUserViewSet"
diff --git a/dnscms/dnscms/oidc.py b/dnscms/dnscms/oidc.py
index 07c27da..d7a9802 100644
--- a/dnscms/dnscms/oidc.py
+++ b/dnscms/dnscms/oidc.py
@@ -17,10 +17,14 @@ from django.db.models import Q
 from django.http import Http404
 from django.shortcuts import redirect
 from django.urls import reverse
+from django.utils.functional import cached_property
 from django.utils.http import url_has_allowed_host_and_scheme
 from wagtail.admin.forms.account import NameEmailForm
 from joserfc.errors import JoseError
+from wagtail.admin.ui.tables import Column
 from wagtail.admin.views.account import AccountView, NameEmailSettingsPanel
+from wagtail.users.views.users import IndexView as UserIndexView
+from wagtail.users.views.users import UserViewSet
 
 from dnscms.models import GaltinnUser
 
@@ -171,6 +175,30 @@ class GaltinnAccountView(AccountView):
         ]
 
 
+class GaltinnUserIndexView(UserIndexView):
+    """User listing with the linked Galtinn ID next to the username"""
+
+    @cached_property
+    def columns(self):
+        columns = super().columns
+        position = [column.name for column in columns].index(self.model.USERNAME_FIELD) + 1
+        galtinn_id = Column(
+            "galtinn_id",
+            accessor=lambda user: getattr(getattr(user, "galtinn_user", None), "galtinn_id", ""),
+            label="Galtinn-ID",
+            sort_key="galtinn_user__galtinn_id",
+            width="10%",
+        )
+        return [*columns[:position], galtinn_id, *columns[position:]]
+
+    def get_base_queryset(self):
+        return super().get_base_queryset().select_related("galtinn_user")
+
+
+class GaltinnUserViewSet(UserViewSet):
+    index_view_class = GaltinnUserIndexView
+
+
 def oidc_login(request):
     if not is_enabled():
         raise Http404
diff --git a/dnscms/dnscms/settings/base.py b/dnscms/dnscms/settings/base.py
index 7c06d79..aaf84f3 100644
--- a/dnscms/dnscms/settings/base.py
+++ b/dnscms/dnscms/settings/base.py
@@ -24,7 +24,7 @@ BASE_DIR = os.path.dirname(PROJECT_DIR)
 # Application definition
 
 INSTALLED_APPS = [
-    "dnscms",
+    "dnscms.apps.DnsCmsConfig",
     # adding more cms apps? may want to add it to GRAPPLE as well
     "images",
     "generic",
@@ -46,7 +46,7 @@ INSTALLED_APPS = [
     "wagtail.contrib.settings",
     "wagtail.embeds",
     "wagtail.sites",
-    "wagtail.users",
+    "dnscms.apps.UsersConfig",  # wagtail.users with the Galtinn ID in the user listing
     "wagtail.snippets",
     "wagtail.documents",
     "wagtail.images",
diff --git a/dnscms/tests/test_oidc.py b/dnscms/tests/test_oidc.py
index bc0a0c9..5076244 100644
--- a/dnscms/tests/test_oidc.py
+++ b/dnscms/tests/test_oidc.py
@@ -375,3 +375,16 @@ def test_account_page_requires_login(client):
 
     assert response.status_code == 302
     assert reverse("wagtailadmin_login") in response.url
+
+
+def test_user_listing_shows_galtinn_id_after_username(client, django_user_model):
+    admin = django_user_model.objects.create_superuser(username="admin", password="pw")
+    link(django_user_model.objects.create_user(username="kari"), galtinn_id="15284")
+    client.force_login(admin)
+
+    response = client.get(reverse("wagtailusers_users:index"))
+
+    names = list(response.context["table"].columns)
+    assert names.index("galtinn_id") == names.index("username") + 1
+    assert "Galtinn-ID" in response.content.decode()
+    assert ">15284<" in re.sub(r"\s+", "", response.content.decode())