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