Cognomen Wongsar (Wongsar 
) , around the globe, is a very rare last name. The surname Wongsar is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Wongsar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wongsar | United States, Thailand |