Family name كيف (Keefe 
, Kif 
, كيف 
) , all around the world, is a common last name. The last name كيف is habitual in Isle of Man, where it is quite a common surname, Bosnia and Herzegovina, where it is quite a rare surname, and Fiji. In absolute terms, it is commonest in the United States, the United Kingdom, and Canada. Much less frequently, كيف is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keefe | Indonesia, United Kingdom, Canada, Australia, United States |
| Kif | Indonesia, United Kingdom, Canada, Malaysia, United States |
| كيف | Iraq |
| Kiffen | Indonesia, United Kingdom, Australia, Angola, United States |