Last name คุ้มเงิน (คุ้มเงิน, Khumngen 
, Khumngern ) , in the world, is a rare cognomen. The surname คุ้มเงิน is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khumngien, Khumngen, Khumngern | Thailand |
Khoomngern, Khumangoen, Khumgean, Khumgeang, Khumjngoen, Khumngean, Khumngein, Khumngoen, Khumngren, Khumnguen, Khumoiang, and Kumngern