Family name มั่นสุวรรณ (มั่นสุวรรณ, Munsuwan 
) , all over the world, is a very rare cognomen. The last name มั่นสุวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Munsuwan | Thailand |