Surname Somprasngk (Somprasngk 
) , all around the world, is an extremely rare family name. The cognomen Somprasngk is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, Somprasngk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Somprasngk | Thailand |