Surname Famwan (Famwan 
, ฟามวัน 
) , globally, is a very rare last name. The last name Famwan is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Nigeria. Also, Famwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Famwan | Nigeria, Malaysia |
| ฟามวัน | Thailand |