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