| Image Coa: | DEU Unterensingen COA.svg |
| Coordinates: | 48.6558°N 9.3556°W |
| Image Plan: | Unterensingen in ES.svg |
| State: | Baden-Württemberg |
| Region: | Stuttgart |
| District: | Esslingen |
| Elevation: | 288 |
| Area: | 7.56 |
| Postal Code: | 72669 |
| Area Code: | 07022 |
| Licence: | ES |
| Gemeindeschlüssel: | 08 1 16 068 |
| Website: | www.unterensingen.de |
| Mayor: | Sieghart Friz[1] |
| Leader Term: | 2017 - 25 |
| Party: | CDU |
Unterensingen (Swabian: Ondorẽseng) is a municipality in the district of Esslingen in Baden-Württemberg in southern Germany.
It is located 19 km southeast of Stuttgart.