Surname أب (ابو 
, أب 
, Bwana 
) , all around the world, is a widespread last name. The last name أب is habitual in Syria, where it is a common surname, Egypt, where it is quite a common surname, and Saudi Arabia (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Egypt, Syria, and Iraq. Predominantly, أب is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ابو | Syria, Saudi Arabia, Iraq, Sudan, Egypt |
| أب | Syria, Saudi Arabia, Libya, Sudan, Egypt |
| Bwana | Zimbabwe, Belgium, Democratic Republic of the Congo, United States, Indonesia |
| Ubben | El Salvador, Dominican Republic, Netherlands, United States, Germany |