| Image Coa: | DEU Unterthingau COA.svg |
| Coordinates: | 47.7667°N 40°W |
| Image Plan: | Unterthingau in OAL.svg |
| State: | Bayern |
| Region: | Schwaben |
| District: | Ostallgäu |
| Elevation: | 773 |
| Area: | 45.23 |
| Gemeindeschlüssel: | 09777175 |
| Postal Code: | 87647 |
| Area Code: | 08377 |
| Licence: | OAL / MOD / FÜS |
| Mayor: | Bernhard Dolp[1] |
| Leader Term: | 2020 - 26 |
| Website: | www.unterthingau.de |
Unterthingau is a municipality in the district of Ostallgäu in Bavaria in Germany.