Surname วรสิทธิกร (วรสิทธิกร 
, Vorasittikorn , Vorrasitthikorn ) , throughout the world, is a rare family name. The surname วรสิทธิกร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| วรสิทธิกร, Vorrasitthikorn, Vorasittikorn, Worasittikorn | Thailand |
Vorasitthikorn, Worasithikorn, Worasitthikon, Worasitthikorn, Worrasitthikon, Worrasitthikorn, Worrasittikon, and Worrasittikorn