Surname Neper (Neper 
) , around the world, is a very rare cognomen. The last name Neper is characteristic of Germany, where it is a very rare surname, Peru, and France. Not in comparison with a country's population, it is commonest in Germany, the United States, and France. Likewise, Neper is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Neper | Germany, Peru, United States, France, Brazil |