Cognomen สมใจ-กาญจนา (สมใจ-กาญจนา 
) , in the world, is an extremely rare surname. Much more frequently, สมใจ-กาญจนา is the forename as well as the last name. Parts of the name also exists independently as a first name สมใจ, and a first name กาญจนา.
| VARIANT | COUNTRY |
|---|---|
| สมใจ-กาญจนา | Thailand |