Family name Fatwan (Fatwan 
) , across the world, is a rare cognomen. The surname Fatwan is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Very seldom, Fatwan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fatwan | Indonesia, United States, Malaysia |