Surname มนัสสุนทร (มนัสสุนทร 
, Manasuntorn , Manassuntorn ) , across the world, is a very rare cognomen. The last name มนัสสุนทร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Manassuntorn, Manasuntorn, Manasoonthorn, มนัสสุนทร | Thailand |