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