Last name เปรมบุญ (Premboon 
, เปรมบุญ , Prembun 
) , across the world, is a rare cognomen. The surname เปรมบุญ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Indonesia, where it is a very rare surname. Very seldom, เปรมบุญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Premboon, เปรมบุญ | Thailand |
| Prembun | Indonesia, Thailand |