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 | Israel, Turkey, India, Azerbaijan, Democratic Republic of the Congo |
| Asaph | Israel, Kenya, India, Uganda, Democratic Republic of the Congo |