Surname กาญจนโสภา (กาญจนโสภา 
, Kanjanasopa , Kanchanasopha 
) , worldwide, is a rare cognomen. The surname กาญจนโสภา is habitual in Singapore, where it is a rare surname, Thailand, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanjanasopa, Kanjanasophak, กาญจนโสภา | Thailand |
| Kanchanasopha | Singapore, Thailand, United States |
Kanajansopa, Kanchanasophak, Kanjanasopha, Kanjanasophol, and Kanjanosoth