Family name Adunia (Adunia 
) , throughout the world, is a rare surname. The surname Adunia is characteristic of Ethiopia, where it is a rare surname, Israel, where it is a very rare surname, and Honduras. Measured by absolute frequency, this name is the most popular in Ethiopia, Nigeria, and Mexico. Much less frequently, Adunia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Adunia | Nigeria, Ethiopia, Israel, Mexico, Philippines |