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