Cognomen ภิรมย์นาม (ภิรมย์นาม 
, Piromnam 
, Piromnum ) , worldwide, is a rare last name. The cognomen ภิรมย์นาม is characteristic of Thailand, where it is a rare surname, South Africa, where it is an extremely rare surname, and Canada. Not in comparison with a country's population, it is commonest in Thailand, China, and the United States.
| VARIANT | COUNTRY |
|---|---|
| ภิรมย์นาม, Piromnum | Thailand |
| Piromnam | China, United States, Thailand, Canada, Brazil |
| Phiromnam | South Africa, Thailand |