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