Family name Oteno (Oteno 
) , throughout the world, is a rare last name. The last name Oteno is characteristic of Ethiopia, where it is a rare surname, Philippines, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Much less frequently, Oteno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oteno | Canada, Philippines, Brazil, Ethiopia, Nigeria |