Cognomen أساف (Asaf 
, Asaph 
, أساف) , across the world, is a common last name. The surname أساف is habitual in Western Asia, particularly Israel, where it is a common surname, Azerbaijan, where it is quite a common surname, and Syria, where it is quite a rare surname. Likewise, أساف is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Asaf | Democratic Republic of the Congo, Israel, Azerbaijan, India, Turkey |
| Asaph | Democratic Republic of the Congo, Uganda, Israel, Kenya, India |