Family name Zarathustra (Zarathustra 
) , in all the world, is a very rare last name. The last name Zarathustra is habitual in Indonesia, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and Mexico. In absolute terms, this name is the most popular in Indonesia, Mexico, and the United States. Very seldom, Zarathustra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zarathustra | Indonesia, Philippines, Mexico, United States, Brazil |