Family name فيداي (Fedai 
, فيداي) , around the world, is quite a rare cognomen. The cognomen فيداي is habitual in Turkey, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Afghanistan. In absolute terms, this name is the most popular in Turkey, Afghanistan, and the United States. More frequently, فيداي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fedai | Germany, United States, Azerbaijan, Afghanistan, Turkey |