Last name พระสุพรรณ (Phra Suphan 
, พระสุพรรณ , Prasupan ) , all around the world, is a rare surname. The last name พระสุพรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พระสุพรรณ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phrasuphan, Prasupan, Phra Suphan, พระสุพรรณ | Thailand |