Family name Hamawan (Hamawan 
) , in all the world, is a very rare surname. The cognomen Hamawan is characteristic of Finland, where it is a rare surname, Thailand, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it most frequently occurs in Finland, Thailand, and Nigeria. Also, Hamawan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hamawan | Finland, Malaysia, Nigeria, Thailand, United States |