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