Cognomen คำแพงศรี (คำแพงศรี, Khampangsri 
) , around the globe, is a very rare surname. The family name คำแพงศรี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khampangsri | Thailand |
Khamphaensri, and Khamphangsri