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