Surname Chanajon (Chanajon 
) , all around the world, is a very rare cognomen. The surname Chanajon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanajon | Thailand |
| chanajon p.k. saenchai muaythaigym Thai Muay Thai fighter, TH (b. 1988) |
|