Surname วงศ์สมาน (วงศ์สมาน 
, Wungsamun , Wongsmarn ) , all over the world, is a very rare family name. The family name วงศ์สมาน is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| วงศ์สมาน, Wungsamun, Wongsanam, Wongsmarn | Thailand |
Wongsamaan, Wongsaman, Wongsamarn, Wongsamath, Wongsamun, and Wongsatan