Cognomen ชนะกาจ (ชนะกาจ 
) , throughout the world, is an extremely rare surname. The surname ชนะกาจ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Likewise, ชนะกาจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชนะกาจ | Thailand |