Cognomen Soulkine (Сулкин 
, Soulkine 
) , in all the world, is a very rare family name. The cognomen Soulkine is habitual in Russia, where it is a very rare surname, Kazakhstan, and Canada, where it is an extremely rare surname. Much less frequently, Soulkine is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Сулкин | Kazakhstan, Russia |
| Soulkine | Canada |