Family name 凯淳 (凯淳 
) , across the world, is a very rare cognomen. The cognomen 凯淳 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 凯淳 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 凯淳 | China |