Cognomen Martiuk (Martiuk 
) , throughout the world, is a very rare last name. The family name Martiuk is habitual in New Zealand, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Canada, and Italy. Much less frequently, Martiuk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martiuk | Italy, Canada, United States, New Zealand, Argentina |