Family name 乃雄 (乃雄 
, Naixiong 
) , across the world, is a rare surname. The family name 乃雄 is habitual in China, where it is an extremely rare surname, and the United States. More frequently, 乃雄 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 乃雄 | China |
| Naixiong | United States |