Nyack may refer to:
Nyack, New York, a village Nyack College, whose main campus is in the village Nyack Tract, a former Lenape settlement in Brooklyn Nyack Mountain, a summit in Montana, US Nyack Pippin, or Nyack, a form of pippin apple USS Nyack, the name of two U.S. Navy vessels Nyack, Montana, a location in Flathead County, Montana