Cognomen แสงพลสิทธิ์ (Sangpolsit 
, แสงพลสิทธิ์ , Sangponsit ) , around the world, is a rare last name. The last name แสงพลสิทธิ์ is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, แสงพลสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sangpolsit | United States, Thailand |
| แสงพลสิทธิ์, Sangponsit, Sangpholsit | Thailand |
Light, Saengphollasit, Saengpholsith, Saengphonlasit, Saengpollasit, Saengpolsit, Saengpolsith, Saengponsit, Sangpolsith, and Seangpolsit