Surname จันอ่อน (Chan On 
, จันอ่อน) , across the world, is a very rare cognomen. The surname จันอ่อน is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, จันอ่อน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chan On | Malaysia, Thailand |