Around the globe, ขวัญเพชร (ขวัญเพชร 
, Kwanphet , Kwanpet ) is a rare epicene first name. The forename ขวัญเพชร is habitual in South-eastern Asia, particularly Thailand, where it is a rare gender-neutral name. More prevalently, ขวัญเพชร is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khwanphet, Kwanphet, ขวัญเพชร, Kwanpet | Thailand |
Khawanphet, Khawnpet, Khwanpet, Khwanpetch, Khwanphetchara, Khwanphetr, Kwanpetch, Kwhanphet, Kwhunpetch, Kwuanphet, Kwunpech, and Kwunphet