| Official Name: | Cornwall Bridge, Connecticut |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Connecticut#USA |
| Pushpin Label: | Cornwall Bridge |
| Coordinates: | 41.8044°N -73.3831°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Connecticut |
| Subdivision Type2: | County |
| Subdivision Name2: | Litchfield |
| Subdivision Type3: | Towns |
| Subdivision Name3: | Cornwall, Sharon |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.51 |
| Area Land Km2: | 5.32 |
| Area Water Km2: | 0.19 |
| Population As Of: | 2020 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 565 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 06754 |
| Area Code: | 860/959 |
| Blank Name: | FIPS code |
| Blank Info: | 09-17310 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805981 |
Cornwall Bridge is a census-designated place (CDP) comprising the hamlets of Cornwall Bridge and Calhoun Corners in the towns of Cornwall and Sharon, Litchfield County, Connecticut, United States. It is primarily in the southwestern corner of the town of Cornwall, but extends west across the Housatonic River into the town of Sharon in the northern part of the CDP. U.S. Route 7 runs the length of the CDP, following the eastern side of the Housatonic River and crossing it on the Cornwall Bridge in the northern part of the CDP.
Cornwall Bridge was first listed as a CDP prior to the 2020 census.