| Stammham | |
| Image Coa: | DEU Stammham am Inn COA.svg |
| Coordinates: | 48.25°N 65°W |
| Image Plan: | Stammham in AÖ.svg |
| State: | Bayern |
| Region: | Oberbayern |
| District: | Altötting |
| Verwaltungsgemeinschaft: | Marktl |
| Elevation: | 369 |
| Area: | 5.67 |
| Postal Code: | 84533 |
| Area Code: | 08678 |
| Licence: | AÖ |
| Gemeindeschlüssel: | 09 1 71 130 |
| Website: | gemeinde-stammham.de |
| Mayor: | Franz Lehner[1] |
| Leader Term: | 2020 - 26 |
| Party: | CSU |
Stammham is the smallest municipality in the district of Altötting in Bavaria in Germany. It lies on the river Inn, close to Marktl, the birthplace of Pope Benedict XVI.