| Official Name: | South Lincoln, Vermont |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Vermont#USA |
| Pushpin Label: | South Lincoln |
| Pushpin Label Position: | left |
| Coordinates: | 44.0711°N -72.9728°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Vermont |
| Subdivision Type2: | County |
| Subdivision Name2: | Addison |
| Subdivision Type3: | Town |
| Subdivision Name3: | Lincoln |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.23 |
| Area Land Km2: | 6.15 |
| Area Water Km2: | 0.08 |
| Population As Of: | 2020 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1313 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 05443 (Bristol) |
| Area Code: | 802 |
| Blank Name: | FIPS code |
| Blank Info: | 50-67150 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2805708 |
South Lincoln is a census-designated place (CDP) within the town of Lincoln, Addison County, Vermont, United States. It was first listed as a CDP prior to the 2020 census.
It is in eastern Addison County, in the south part of the town of Lincoln, in the valley of the New Haven River, a north-flowing tributary of Otter Creek and part of the Lake Champlain watershed. It is bordered to the south and east by the Green Mountain National Forest. South Lincoln Road leads north (downriver) 3miles to Lincoln, and Ripton Road leads southwest 9miles to Ripton.
According to the Köppen Climate Classification system, South Lincoln has a warm-summer humid continental climate, abbreviated "Dfb" on climate maps. The hottest temperature recorded in South Lincoln was 96F on September 1, 2010, while the coldest temperature recorded was -35F on January 16 - 17, 1994 and January 27, 1994.