Family name Zerdeşt (Zerdeşt 
) , around the world, is an extremely rare cognomen. The cognomen Zerdeşt is characteristic of Western Asia, particularly Turkey, where it is an extremely rare surname. More prevalently, Zerdeşt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zerdeşt | Turkey |
Zaratustra, Zardusht, Zerdesht, and Zoroaster