Cognomen Phornprapha (Phornprapha 
) , around the globe, is a rare family name. The surname Phornprapha is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Vietnam, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it most frequently occurs in Thailand, the United States, and Vietnam. Likewise, Phornprapha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phornprapha | Philippines, Vietnam, Thailand, United States, Malaysia |