Cognomen กาญจนานันท์ (กาญจนานันท์ 
, Kanjananan , Kanchananan ) , in the entire world, is a rare surname. The surname กาญจนานันท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, กาญจนานันท์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanjananan, Kanchananan, กาญจนานันท์ | Thailand |
Kanchanaanan, Kanchanaarnan, Kanchanayanan, Kanchanonan, Kanjanarnun, Karnchanaanan, Karnchananant, Karnjanan, Karnjananan, and Karnjanonan