Last name วิสิทธ์ิ (วิสิทธ์ิ 
) , throughout the world, is an extremely rare cognomen. The surname วิสิทธ์ิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| วิสิทธ์ิ | Thailand |