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