Throughout the world, Gerasimuk (Gerasimuk 
, Герасимук 
) is an extremely rare unknown gender first name. Much more prevalently, Gerasimuk is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gerasimuk | Russia, Belarus, Ukraine, United States, Poland |
| Герасимук | Belarus, Russia, Kazakhstan, Ukraine |