Family name Keff (كف 
, Keff 
) , across the world, is quite a rare last name. The surname Keff is habitual in Jordan, where it is quite a common surname, Egypt, where it is a rare surname, and France. Much less frequently, Keff is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| كف | Saudi Arabia, Iraq, Jordan, Egypt, Sudan |
| Keff | United States, France, Botswana, Germany, Netherlands |
| jean-claude keff French politician, FR (b. 1942) |
|