Family name Chaysan (Chaysan 
) , around the globe, is a very rare surname. The last name Chaysan is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Chaysan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaysan | Myanmar, India, Thailand |