diff --git a/manifests/client.pp b/manifests/client.pp
index 71fc5e7b3..70670d06c 100644
--- a/manifests/client.pp
+++ b/manifests/client.pp
@@ -15,6 +15,9 @@ class neutron::client (
   include neutron::deps
   include neutron::params
 
+  warning("The neutron::client class has been deprecated and will be removed \
+in a future release.")
+
   package { 'python-neutronclient':
     ensure => $package_ensure,
     name   => $::neutron::params::client_package,
diff --git a/releasenotes/notes/deprecate-client-16a7053b3f07735d.yaml b/releasenotes/notes/deprecate-client-16a7053b3f07735d.yaml
new file mode 100644
index 000000000..764bb17fe
--- /dev/null
+++ b/releasenotes/notes/deprecate-client-16a7053b3f07735d.yaml
@@ -0,0 +1,7 @@
+---
+deprecations:
+  - |
+    The ``neutron::client`` class has been deprecated. The ``neutron`` CLI has
+    been deprecated and will be removed in the future. Use
+    the ``openstacklib::openstackclient`` class and the ``openstack`` CLI
+    instead.