Family name Dolnyckyj (Dolnyckyj 
) , in all the world, is an extremely rare cognomen. The family name Dolnyckyj is characteristic of Northern America, particularly Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dolnyckyj | United States, Canada |
| ilarion dolnyckyj (b. 1900) |
|