Surname Oyeni (Oyeni 
) , across the world, is quite a rare last name. The cognomen Oyeni is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Nigeria, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Very seldom, Oyeni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oyeni | Democratic Republic of the Congo, Argentina, Costa Rica, Venezuela, Nigeria |