Cognomen Poosangsri (Poosangsri 
) , all around the world, is a very rare family name. The cognomen Poosangsri is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poosangsri | Thailand |
Prayoot, Siriporn, Juthamas, Thanpitcha, and Preeyanuch