Sandusky
- Country: United States
- State: Ohio
- Population: 25,006 (2016)
- Latitude: 41° 26.9' N (41.44894°)
- Longitude: 82° 42.5' W (-82.70796°)
- Elevation: 182 m/597 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Fort Stephenson, Portland, Sandusky City