Surname คำเพียร (Khampian 
, Khampien 
, Khamphian ) , globally, is a very rare family name. The cognomen คำเพียร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, คำเพียร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khampian | Laos, Thailand |
| Khampien | Laos, France, Thailand, United States |
| Khamphian | United States, Thailand |