| Official Name: | Rock Ridge, Connecticut |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Connecticut#USA |
| Pushpin Label: | Rock Ridge |
| Coordinates: | 41.0358°N -73.6478°W |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | Connecticut |
| Subdivision Type2: | County |
| Subdivision Name2: | Fairfield |
| Subdivision Type3: | Town |
| Subdivision Name3: | Greenwich |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.36 |
| Area Land Km2: | 2.36 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2020 |
| Population Density Km2: | = |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 130 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 06831 (Greenwich) |
| Area Code: | 203/475 |
| Blank Name: | FIPS code |
| Blank Info: | 09-65160 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805962 |
Rock Ridge is a census-designated place (CDP) in the town of Greenwich, Fairfield County, Connecticut, United States. It is in the western part of the town, just 1miles east of the New York state border. Rock Ridge was first listed as a CDP prior to the 2020 census.
As with other parts of the Town of Greenwich, Rock Ridge is in the Greenwich Public Schools school district.[2] The district's comprehensive high school is Greenwich High School.