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