The Nisko Plan was an operation to deport Jews to the Lublin District of the General Governorate of occupied Poland in 1939. Organized by Nazi Germany, the plan was cancelled in early 1940.

Nisko pronounced [ˈɲiskɔ] is a town in Nisko County, Subcarpathian Voivodeship, Poland on the San River, with a population of 15,048 inhabitants as of 31 December 2021. Together with neighbouring city of Stalowa Wola, Nisko creates a small agglomeration. Nisko has been situated in the Subcarpathian Voivodship since 1999.