Troy
- Country: United States
- State: New York
- Population: 49,702 (2016)
- Latitude: 42° 43.7' N (42.72841°)
- Longitude: 73° 41.5' W (-73.69179°)
- Elevation: 10 m/33 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Ashleys Ferry, Ferry Hook, Van Der Heyden Ferry, Van Der Heyden's Ferry, Vanderheydens Ferry