Surname รำแพน (Rumpan 
, Rampaen , Rumpoei 
) , in all the world, is a rare last name. The cognomen รำแพน is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, รำแพน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rumpan | India, United States, Thailand |
| Rampaen | India, Thailand |
| Rumpoei | Finland, Thailand |
Dance, Rampapak, Ramphaen, and Rumpoeipon