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