In all the world, 乃腹 (乃腹 
) is a very rare female forename. The first name 乃腹 is habitual in Eastern Asia, particularly China, where it is an extremely rare female name. Very seldom, 乃腹 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 乃腹 | China |