| Official Name: | Summer Set, Missouri |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Missouri#USA |
| Pushpin Label: | Summer Set |
| Coordinates: | 38.0903°N -90.5753°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Subdivision Type3: | Township |
| Subdivision Name3: | Valle |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 1.05 |
| Area Land Sq Mi: | 0.91 |
| Area Water Sq Mi: | 0.14 |
| Area Total Km2: | 2.73 |
| Area Land Km2: | 2.36 |
| Area Water Km2: | 0.36 |
| Area Water Percent: | 1 |
| Population As Of: | 2020 |
| Population Density Km2: | 477.12 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 680 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 63020 (De Soto) |
| Area Code: | 636 |
| Blank Name: | FIPS code |
| Blank Info: | 29-71508 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2806410 |
| Population Total: | 1127 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 1235.75 |
Summer Set is an unincorporated community and census-designated place (CDP) in Jefferson County, Missouri, United States. It is in the southern part of the county, 3miles south of De Soto. It is a residential community built around three artificial lakes: Summerset Lake, Winterhaven Lake, and Spring Lake.
Summer Set was first listed as a CDP prior to the 2020 census.