In the entire world, กำแพงเพชร (Khampaeng 
, Kamphaengphet 
, กำแพงเพชร) is an extremely rare unisex first name. More prevalently, กำแพงเพชร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khampaeng | United States, Thailand |
| Kamphaengphet | Malaysia, Thailand |
| Khangphet | Thailand |
Ghamphaengkham, Kamberdphet, Kamhaengna, Kamhaengsong, Kaminphet, Kamlangphuet, Kamnoedphet, Kamnoetphet, Kampaencpai, Kampaengpet, Kampaengphet, Kampakrua, Kampangpech, Kampangpet, Kampanpeang, Kampanphet, Kampawet, Kamphaeng, Kamphaengkam, Kamphaengkham, Kamphaengngoen, Kamphaengpet, Kamphaengthip, Kamphaengthong, Kamphangphet, Kampheang, Kamphengphet, Kamphet, Kamphetch, Kampheuy, Kamphitak, Kamphuangphet, Kamphugphon, Kamphungphong, Kamprabang, Kamraiphet, Kamrangsri, Kamtaphet, Kamunphet, Khaengkhan, Khaengthon, Khamnamthaeng, Khampakhog, Khampangpetch, Khampangphet, Khamphaeng, Khamphaengchin, Khamphaengmueang, Khamphet, Khamphuphet,