Family name รอยบุญ (รอยบุญ 
) , worldwide, is a very rare last name. The cognomen รอยบุญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, รอยบุญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รอยบุญ | Thailand |