Family name กัญจนานุเดช (กัญจนานุเดช 
) , all around the world, is a very rare cognomen. The surname กัญจนานุเดช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| กัญจนานุเดช | Thailand |
เดชดนัย, and ผดุงศักดิ์