Surname Maosom (Maosom 
) , in the entire world, is a very rare cognomen. The surname Maosom is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Maosom | Thailand |
Witoon, Suratda, Chatchai, Suphakanya, and Nattapong