Long Lake (New York) may mean:
- Long Lake (Hamilton County, New York), a lake in Hamilton County
- Long Lake (Oneida County, New York), a lake on Oneida County
- Long Lake (Fine, St. Lawrence County, New York), a lake in St. Lawrence County
- Long Lake (Pitcairn, St. Lawrence County, New York), a lake in St. Lawrence County
- Long Lake, New York, a town in Hamilton County
- Long Lake CDP, New York, a census designated place in Hamilton County