Family name រត្ន័ (រត្ន័ 
) , globally, is quite a rare surname. The surname រត្ន័ is characteristic of South-eastern Asia, particularly Cambodia, where it is quite a rare surname. Likewise, រត្ន័ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| រត្ន័ | Cambodia |