Last name 妮 (妮 
, Nei 
, Ní 
) , in the world, is a common family name. The cognomen 妮 is characteristic of Lesotho, where it is quite a rare surname, Malaysia, and Estonia. Measured by absolute frequency, this name is the most popular in China, Malaysia, and Myanmar. More frequently, 妮 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 妮 | China |
| Nei | Brazil, Malaysia, Myanmar, China, Indonesia |
| Ní | Brazil, Myanmar, China, Algeria, Vietnam |
| Nī | Algeria, Myanmar, China |