Last name گشتاسب (گشتاسب 
) , in the entire world, is a rare cognomen. The family name گشتاسب is habitual in Southern Asia, particularly Iran, where it is a rare surname. Likewise, گشتاسب is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| گشتاسب | Iran |