Surname 恺棣 (恺棣 
) , all over the world, is a very rare cognomen. The last name 恺棣 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 恺棣 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 恺棣 | China |