Family name Naphasawan (Naphasawan 
) , all around the world, is an extremely rare surname. Predominantly, Naphasawan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naphasawan | Thailand |
Ritdech, Tapwantong, Thongkam, Ketthaisong, Ruanglekjumroon, Thanakhun, Thongkham, Saengamporn, and Chaokamphaeng