Last name Яковь (Iakov 
, Яковь 
) , globally, is a rare cognomen. The cognomen Яковь is habitual in Cyprus, where it is quite a rare surname, Georgia, where it is a rare surname, and Greece. More frequently, Яковь is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Iakov | Moldova, Georgia, Greece, Russia, Cyprus |
| Яковь | Russia, Kazakhstan, Kyrgyzstan |