Sault Sainte Marie
- Country: United States
- State: Michigan
- Population: 13,704 (2016)
- Latitude: 46° 29.7' N (46.4953°)
- Longitude: 84° 20.7' W (-84.34532°)
- Elevation: 188 m/617 ft. above sea level
- Time zone: America/Detroit (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Saint Marys Falls, Sault de Sainte Marie, Sault Ste. Marie