Fremont
- Country: United States
- State: Ohio
- Population: 16,309 (2016)
- Latitude: 41° 21' N (41.35033°)
- Longitude: 83° 7.3' W (-83.12186°)
- Elevation: 191 m/626 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Croghanville, Freemont, Lower Sandusky