Last name Romaniak (Romaniak 
, Романяк 
) , in the entire world, is quite a rare cognomen. The family name Romaniak is characteristic of Ukraine, where it is quite a rare surname, Poland, and Kazakhstan, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Ukraine, Poland, and the United States. Also, Romaniak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Romaniak | Canada, Poland, United States, United Kingdom, Germany |
| Романяк | Kazakhstan, Russia, Ukraine |
|
ludwik romaniak Polish teacher, PL (b. 1930) |
|
|
andrzej romaniak PL (b. 1965) |
|
| ryszard romaniak Polish speedway rider, PL (b. 1957) |
|
|
| stanisław romaniak PL (b. 1948) |
|