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