Surname กาญจนวงค์ (Kanchanawong 
, กาญจนวงค์ ) , across the world, is a rare last name. The family name กาญจนวงค์ is characteristic of Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, กาญจนวงค์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanchanawong | United States, Thailand |
| กาญจนวงค์ | Thailand |