Family name Gahaf (Gahaf 
) , across the world, is a very rare surname. The last name Gahaf is habitual in Yemen, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Gahaf is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gahaf | Yemen, United States, United Kingdom, Saudi Arabia |