Family name Niesy (Niesy 
) , in all the world, is an extremely rare surname. The surname Niesy is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. More frequently, Niesy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niesy | Venezuela, Honduras, United States, Philippines |