Cognomen บุญย (Bunya 
, บุญย ) , all over the world, is a rare surname. The surname บุญย is characteristic of Hungary, where it is a rare surname, Thailand, and Uganda. Measured by absolute frequency, it most frequently occurs in Thailand, Uganda, and Nigeria. Much more prevalently, บุญย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bunya | Japan, Thailand, Nigeria, Malaysia, Uganda |
| บุญย | Thailand |