Family name Plungsombut (Plungsombut 
) , all over the world, is a very rare surname. The last name Plungsombut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Plungsombut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Plungsombut | United States, Thailand |