Family name ขัมอุปถัมม์ (ขัมอุปถัมม์ 
) , throughout the world, is a very rare surname. The last name ขัมอุปถัมม์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ขัมอุปถัมม์ | Thailand |