Family name รีรัตน์ (รีรัตน์ 
) , across the world, is a very rare cognomen. The cognomen รีรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Also, รีรัตน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รีรัตน์ | Thailand |