Surname Upatam (Upatam 
) , in all the world, is a very rare cognomen. The last name Upatam is characteristic of Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Also, Upatam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Upatam | United States, Thailand |