Family name โคตรสิทธิ์ (โคตรสิทธิ์ 
) , around the globe, is a very rare surname. The surname โคตรสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, โคตรสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| โคตรสิทธิ์ | Thailand |