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