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