Niesky [ˈniːski] ⓘ (Polish and Sorbian: Niska [ˈnʲiska], Czech: Nízké) is a small town in Upper Lusatia in eastern Saxony, Germany.

In 1776, at the age of 12, Benjamin Henry Boneval Latrobe, future designer of the United States Capitol, as well as of the Baltimore Basilica, was sent to the Moravian School at Niesky.

[3] In 1926 the architect Konrad Wachsmann worked in the timber construction firm Christoph & Unmack AG.

During World War II, the Germans established and operated the AL Niesky subcamp of the Gross-Rosen concentration camp, whose prisoners were mostly Poles, Russians, Jews and Yugoslavs, but also Czechs and Frenchmen, and hundreds of whom died.

Localities of Niesky are Neuhof, Neusärchen, Neuödernitz, Ödernitz, See, Zeche-Moholz, Kosel, Zedlig and Sandschänke.