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