Last name Phalasun (Phalasun 
) , all over the world, is a very rare family name. The cognomen Phalasun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Phalasun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phalasun | India, Thailand |