Family name Кучмарь (Кучмарь 
, Kuchmar 
) , around the world, is a very rare cognomen. The surname Кучмарь is characteristic of Australia, where it is a very rare surname, Russia, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Russia, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Кучмарь | Russia |
| Kuchmar | Australia, Ukraine, Canada, United States, Russia |