Cognomen กันบุญ (Kanbun 
, กันบุญ , Kanboon ) , globally, is a rare surname. The last name กันบุญ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much more frequently, กันบุญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanbun | Japan, China, United States, Thailand |
| Kranboon, กันบุญ, Kanboon | Thailand |