Irondequoit
- Country: United States
- State: New York
- Population: 51,692 (2010)
- Latitude: 43° 12.8' N (43.2134°)
- Longitude: 77° 34.8' W (-77.57972°)
- Elevation: 116 m/380 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Irondequoit CDP