Cognomen ภัทรมัย (Phatra 
, ภัทรมัย , Pataramai ) , around the world, is a very rare last name. The last name ภัทรมัย is habitual in Thailand, where it is a very rare surname, Malaysia, and Canada. In absolute terms, the name is most common in Thailand, India, and Malaysia. More frequently, ภัทรมัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phatra | United States, Thailand, Malaysia, India, Canada |
| Pataramai, ภัทรมัย, Pattaramai | Thailand |