Last name រត័្ន (រត័្ន 
) , around the globe, is a rare cognomen. The surname រត័្ន is habitual in South-eastern Asia, particularly Cambodia, where it is quite a rare surname. Also, រត័្ន is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| រត័្ន | Cambodia |