Cognomen Kemmo (Kemmo 
) , in the world, is a rare last name. The surname Kemmo is habitual in Cameroon, where it is quite a rare surname, Finland, where it is a rare surname, and France, where it is a very rare surname. Much less frequently, Kemmo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kemmo | China, Egypt, Finland, India, Cameroon |