Last name Якаў (Jakov 
, Yakov 
, Jakau 
) , in the world, is quite a rare cognomen. The last name Якаў is characteristic of Bulgaria, where it is quite a common surname, Reunion, and North Macedonia, where it is quite a rare surname. In absolute terms, this name is the most popular in Bulgaria, Serbia, and Israel. More frequently, Якаў is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jakov | Germany, Serbia, Bosnia and Herzegovina, Croatia, United States |
| Yakov | Uzbekistan, Russia, Bulgaria, United States, Israel |
| Jakau | India, Malaysia |
| Якаў | Belarus |