Surname วินิจชัยรัตนกุล (Winitchairatanakul 
, วินิจชัยรัตนกุล, Vinidchairattanakul ) , around the world, is a very rare last name. The last name วินิจชัยรัตนกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, วินิจชัยรัตนกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vinidchairattanakul, Winitchairatanakul | Thailand |