diff --git a/zuul.d/project-templates.yaml b/zuul.d/project-templates.yaml
index ad31dd5f..7e9543e9 100644
--- a/zuul.d/project-templates.yaml
+++ b/zuul.d/project-templates.yaml
@@ -476,6 +476,138 @@
         - openstack-tox-py36
         - openstack-tox-py38
 
+- project-template:
+    name: openstack-python3-xena-jobs
+    description: |
+      Runs unit tests for an OpenStack Python project under the CPython
+      version 3 releases designated for testing in the Xena release.
+    check:
+      jobs:
+        - openstack-tox-pep8
+        - openstack-tox-py36
+        - openstack-tox-py38
+        - openstack-tox-py39:
+            voting: false
+    gate:
+      jobs:
+        - openstack-tox-pep8
+        - openstack-tox-py36
+        - openstack-tox-py38
+    post:
+      jobs:
+        - publish-openstack-python-branch-tarball
+
+- project-template:
+    name: openstack-python3-xena-jobs-horizon
+    description: |
+      The standard :zuul:project_template:`openstack-python3-xena-jobs`
+      but with horizon added as a required-projects. This checks out
+      the project code and allows tox_install_siblings to use horizon
+      when building the venv.
+    check:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/horizon
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/horizon
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/horizon
+        - openstack-tox-py39:
+            required-projects:
+              - openstack/horizon
+            voting: false
+    gate:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/horizon
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/horizon
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/horizon
+    post:
+      jobs:
+        - publish-openstack-python-branch-tarball
+
+- project-template:
+    name: openstack-python3-xena-jobs-neutron
+    description: |
+      The standard :zuul:project_template:`openstack-python3-xena-jobs`
+      but with neutron added as a required-projects. This checks out
+      the project code and allows tox_install_siblings to use neutron
+      when building the venv.
+    check:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/neutron
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/neutron
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/neutron
+        - openstack-tox-py39:
+            required-projects:
+              - openstack/neutron
+            voting: false
+    gate:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/neutron
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/neutron
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/neutron
+    post:
+      jobs:
+        - publish-openstack-python-branch-tarball
+
+- project-template:
+    name: openstack-python3-xena-jobs-ceilometer
+    description: |
+      The standard :zuul:project_template:`openstack-python3-xena-jobs`
+      but with ceilometer added as a required-projects. This checks out
+      the project code and allows tox_install_siblings to use ceilometer
+      when building the venv.
+    check:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/ceilometer
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/ceilometer
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/ceilometer
+        - openstack-tox-py39:
+            required-projects:
+              - openstack/ceilometer
+            voting: false
+    gate:
+      jobs:
+        - openstack-tox-pep8:
+            required-projects:
+              - openstack/ceilometer
+        - openstack-tox-py36:
+            required-projects:
+              - openstack/ceilometer
+        - openstack-tox-py38:
+            required-projects:
+              - openstack/ceilometer
+    post:
+      jobs:
+        - publish-openstack-python-branch-tarball
+
 - project-template:
     name: openstack-python3-wallaby-jobs
     description: |