Surname Usmak (Usmak 
) , around the world, is a rare family name. The cognomen Usmak is habitual in Turkey, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Usmak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usmak | Malaysia, Turkey, India |