Last name 俣衡 (俣衡 
) , in the entire world, is a very rare family name. The surname 俣衡 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 俣衡 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 俣衡 | China |