Cognomen Kanefumi (謙文 
, Kanefumi 
) , worldwide, is a very rare surname. The surname Kanefumi is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, Kanefumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 謙文 | China |
| Kanefumi | Brazil |