Cognomen Niecks (尼克斯 
, Niecks, Никс 
) , around the globe, is a rare surname. The cognomen Niecks is habitual in Eastern Europe, particularly Russia, where it is a rare surname, and Ukraine, where it is an extremely rare surname. Also, Niecks is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 尼克斯 | China |
| Никс | Ukraine, Russia |
| frederick niecks German musical scholar and author, DE (b. 1845) |
|