Surname Хомиак (Homiak 
, Хомиак 
, Khomiak 
) , in the world, is a rare cognomen. The surname Хомиак is habitual in Estonia, where it is a rare surname, Poland, and the United States, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, Brazil, and Russia. Much less frequently, Хомиак is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Homiak | United States, Poland, Canada, Ukraine, Brazil |
| Хомиак | Russia |
| Khomiak | Italy, United States, Poland, Canada, Ukraine |
| Khomyak | Russia, Italy, United States, Canada, Ukraine |