Family name Posawat (พศวัต 
, Posawat ) , throughout the world, is a very rare cognomen. The surname Posawat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much more frequently, Posawat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Posawat, พศวัต | Thailand |