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