Family name Abunaja (Abunaja 
) , worldwide, is a very rare last name. The family name Abunaja is habitual in Jordan, where it is a rare surname, Saudi Arabia, and the United States, where it is an extremely rare surname. Much less frequently, Abunaja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Abunaja | Saudi Arabia, Jordan, United States |