Surname Namsom (Namsom 
) , all over the world, is a rare last name. The cognomen Namsom is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Namsom is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Namsom | Myanmar, Malaysia, Laos, India, Thailand |