| Official Name: | Lake Lorraine, Wisconsin |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Wisconsin |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Wisconsin |
| Subdivision Type2: | County |
| Subdivision Name2: | Walworth |
| Area Total Sq Mi: | 1.250 |
| Area Land Sq Mi: | 1.117 |
| Area Water Sq Mi: | 0.133 |
| Population As Of: | 2020 |
| Population Total: | 338 |
| Population Density Sq Mi: | auto |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 942 |
| Coordinates: | 42.7322°N -88.7428°W |
| Area Code: | 262 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2586518 |
Lake Lorraine is a census-designated place in the town of Richmond, Walworth County, Wisconsin, United States. Its population was 338 as of the 2020 census.[1]