Family name จันสิงห์ (Chan Sing 
, จันสิงห์ 
) , across the world, is a rare cognomen. The last name จันสิงห์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Philippines. Much less frequently, จันสิงห์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chan Sing | Philippines, United States, New Zealand, South Africa, Malaysia |
| จันสิงห์ | Thailand |