Surname Kouzmouk (Kouzmouk 
, Кузмук 
) , across the world, is a very rare cognomen. The cognomen Kouzmouk is habitual in Belarus, where it is a very rare surname, Greece, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kouzmouk | United States, Greece |
| Кузмук | Russia, Belarus |