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