Surname Poosaran (Poosaran 
) , in all the world, is a very rare last name. The last name Poosaran is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poosaran | Thailand |
Attawit, Puangtip, Teeradet, Naiyatat, and Charinthip