Cognomen เอื้อบุญกุล (เอื้อบุญกุล, Uebunkul 
) , in the world, is an extremely rare surname. The family name เอื้อบุญกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Uebunkul | Thailand |