Surname Gasadan (Gasadan 
) , globally, is a very rare family name. The surname Gasadan is characteristic of South-eastern Asia, particularly Philippines, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Gasadan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gasadan | Malaysia, Philippines, India |