Family name กัญชาญ (กัญชาญ 
) , all around the world, is a very rare cognomen. The surname กัญชาญ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, กัญชาญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กัญชาญ | Thailand |