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