diff --git a/nova/volume/cinder.py b/nova/volume/cinder.py
index 98794058b295..0ebb56939bbb 100644
--- a/nova/volume/cinder.py
+++ b/nova/volume/cinder.py
@@ -88,6 +88,10 @@ def cinderclient(context):
     if version == '1':
         raise exception.UnsupportedCinderAPIVersion(version=version)
 
+    if version == '2':
+        LOG.warning("The support for the Cinder API v2 is deprecated, please "
+                    "upgrade to Cinder API v3.")
+
     if version == '3':
         # TODO(ildikov): Add microversion support for picking up the new
         # attach/detach API that was added in 3.27.
diff --git a/releasenotes/notes/deprecate-the-cinder-v2-support-0cebc90580a3e80f.yaml b/releasenotes/notes/deprecate-the-cinder-v2-support-0cebc90580a3e80f.yaml
new file mode 100644
index 000000000000..d22a8d3cc642
--- /dev/null
+++ b/releasenotes/notes/deprecate-the-cinder-v2-support-0cebc90580a3e80f.yaml
@@ -0,0 +1,5 @@
+deprecations:
+- |
+  Nova support for using the Block Storage (Cinder) v2 API is now deprecated
+  and will be removed in the 17.0.0 Queens release. The v3 API is now the
+  default and is backward compatible with the v2 API.
\ No newline at end of file