Family name Gasah (Gasah 
) , across the world, is a rare cognomen. The surname Gasah is habitual in Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Malaysia, Indonesia, and Nigeria. Very seldom, Gasah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gasah | Indonesia, South Africa, Malaysia, Nigeria, India |