Cognomen ตระกูลเดช (ตระกูลเดช 
) , throughout the world, is a very rare surname. The cognomen ตระกูลเดช is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ตระกูลเดช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ตระกูลเดช | Thailand |