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