Adirondack may refer to:
Places Adirondack Mountains, New York, US Adirondack Park, a protected area in the US, containing a large portion of the Adirondack Mountains Adirondack County, New York, a proposed county in New York Adirondack, New York, a place in New York
Transport Adirondack (train), an Amtrak passenger rail route connecting New York City and Montreal Adirondack guideboat, a rowed skiff, built to be carried between bodies of water, originally designed for hunting USS Adirondack (1862), a gunboat during the American Civil War that sank off the Bahamas USS Adirondack (YT-44), an iron-hulled screw tug originally known as the Underwriter USS Adirondack (ID-1270), commissioned into the Navy in 1917 and used as a floating barracks until 1919 USS Adirondack (AGC-15), an amphibious force flagship in service from 1945 to 1955
Other uses Adirondack (Mars), Mars Exploration Rover Spirit's first target rock for investigation Adirondack Architecture, an American style of construction Adirondack Beverages, a soft drink company based in New York state, that produces the Adirondack brand sodas Adirondack Canoe Classic, a three-day, canoe race from Old Forge to Saranac Lake (also known as the "90-miler") Adirondack chair, a type of chair used primarily in an outdoors setting Adirondack Community College (US), a two-year college located in the state of New York Adirondack Experience, a museum Adirondack Flames, former American Hockey League team (2014–15) Adirondack Great Camps Adirondack Phantoms, former American Hockey League team (2009–2014) Adirondack Red Wings, former American Hockey League team (1979–1999) Adirondack shelter, a style of lean-to Picea rubens or Adirondack, a species of spruce tree used to make musical instruments