Cognomen Koprasert (Koprasert 
) , worldwide, is a very rare last name. The surname Koprasert is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koprasert | Thailand |
Pimpan, Uraiwan, Chanadda, Kingkran, and Kanokpatch