Last name Polsai (Polsai 
) , around the globe, is a very rare cognomen. The family name Polsai is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Polsai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Polsai | India, Thailand |