Cognomen Gamdan (Gamdan 
) , all over the world, is an extremely rare last name. The family name Gamdan is habitual in Yemen, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Much more prevalently, Gamdan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gamdan | Yemen, United States, Nepal, Malaysia |