| Image Coa: | Wappen von Deiningen.svg |
| Coordinates: | 48.8667°N 44°W |
| Image Plan: | Deiningen in DON.svg |
| State: | Bayern |
| Region: | Schwaben |
| District: | Donau-Ries |
| Elevation: | 420 |
| Area: | 15.32 |
| Postal Code: | 86738 |
| Area Code: | 09081 |
| Licence: | DON |
| Gemeindeschlüssel: | 09 7 79 130 |
| Mayor: | Wilhelm Rehklau[1] |
| Leader Term: | 2020 - 26 |
| Party: | CSU |
| Website: | www.deiningen.de |
Deiningen is a municipality in the district of Donau-Ries in Swabia, Bavaria in Germany.