Cognomen Jinhan (Jinhan 
) , in all the world, is a rare family name. The surname Jinhan is habitual in South Korea, where it is a rare surname, Malaysia, and Singapore, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in South Korea, China, and Malaysia. More prevalently, Jinhan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jinhan | South Korea, Malaysia, China, United States, Taiwan |