Last name กมลเพ็ชร (กมลเพ็ชร 
, Kamonphet , Kamonphetr ) , globally, is a rare cognomen. The surname กมลเพ็ชร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, กมลเพ็ชร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamonphet, กมลเพ็ชร, Kamonphetr | Thailand |
| ประพันธ์ศักดิ์ กมลเพ็ชร politician, TH (b. 1938) |
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