Cognomen บุญพยา (บุญพยา 
, Bunphaya) , across the world, is a very rare family name. The surname บุญพยา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, บุญพยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญพยา | Thailand |