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