Cognomen บริรัตน์ (บริรัตน์ 
) , in the world, is a rare family name. The surname บริรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, บริรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บริรัตน์ | Thailand |