Cognomen จันสมุทร (จันสมุทร 
) , in the world, is a rare family name. The surname จันสมุทร is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, จันสมุทร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันสมุทร | Thailand |