| Image Coa: | DEU Mainstockheim COA.svg |
| Coordinates: | 49.7667°N 20°W |
| Image Plan: | Mainstockheim in KT.svg |
| State: | Bayern |
| Region: | Unterfranken |
| District: | Kitzingen |
| Verwaltungsgemeinschaft: | Kitzingen |
| Elevation: | 185-314 |
| Area: | 8.52 |
| Postal Code: | 97320 |
| Area Code: | 09321 |
| Licence: | KT |
| Gemeindeschlüssel: | 09 6 75 146 |
| Mayor: | Karl-Dieter Fuchs[1] |
| Leader Term: | 2020 - 26 |
Mainstockheim is a municipality in the district of Kitzingen in Bavaria in Germany. It is famous for its choir, the Choir of Mainstockheim.