Family name Pojanasomboon (Pojanasomboon 
) , in the world, is a very rare last name. The family name Pojanasomboon is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Pojanasomboon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pojanasomboon | Thailand, United States |