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