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