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Cognomen Nenno (Nenno
, Ненно
) , across the world, is a rare last name. The surname Nenno is characteristic of Germany, where it is a rare surname, Kazakhstan, and France, where it is a very rare surname. Not in comparison with a country's population, it is commonest in the United States, Germany, and France. More prevalently, Nenno is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nenno | United States, Japan, France, Germany, Italy |
| Ненно | Ukraine, Russia, Belarus, Kazakhstan |