Cognomen Donak (Donak 
) , across the world, is a rare family name. The surname Donak is characteristic of Turkey, where it is a very rare surname, Canada, and the United States, where it is an extremely rare surname. In absolute terms, this name is the most popular in Turkey, India, and the United States. Much less frequently, Donak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Donak | Canada, United States, India, United Kingdom, Turkey |