Surname Fausan (Fausan 
) , across the world, is a rare last name. The cognomen Fausan is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, Malaysia, and Philippines, where it is an extremely rare surname. In absolute terms, it is commonest in Indonesia, Malaysia, and India. Also, Fausan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fausan | Thailand, India, Indonesia, Malaysia, China |