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