Surname วิมลสิทธิ์ (วิมลสิทธิ์ 
) , in the world, is a very rare family name. The cognomen วิมลสิทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, วิมลสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วิมลสิทธิ์ | Thailand |