Family name Pensawang (Pensawang 
) , globally, is a very rare last name. The surname Pensawang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pensawang | Thailand |
Mantita, Kanjana, Siripong, Chomnaphas, Boonchana, Thanathon, Nanthapat, Pornpassakorn, and Ratchadaporn