In the world, กาญจนศักดิ์ (กาญจนศักดิ์ 
, Kanjanasak , Kanchanasak 
) is a very rare masculine forename. The first name กาญจนศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Likewise, กาญจนศักดิ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kanjanasak, กาญจนศักดิ์ | Thailand |
| Kanchanasak | United States, Thailand |
| Janasak | Malaysia, Canada, United States, Thailand |