Cognomen Phanasouk (Phanasouk 
) , in all the world, is an extremely rare surname. The family name Phanasouk is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Very seldom, Phanasouk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phanasouk | United States |