Cognomen សិត្យា (សិត្យា 
) , across the world, is an extremely rare surname. The family name សិត្យា is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Much more frequently, សិត្យា is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សិត្យា | Cambodia |