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