Cognomen กาญจนามัย (กาญจนามัย 
, Kanchanomai 
) , across the world, is a rare last name. The cognomen กาญจนามัย is habitual in Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Very seldom, กาญจนามัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กาญจนามัย | Thailand |
| Kanchanomai | Thailand, United States |