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