| Image Coa: | Pfeffenhausen coat of arms.svg |
| Coordinates: | 48.6667°N 69°W |
| Image Plan: | Pfeffenhausen in LA.svg |
| State: | Bayern |
| Region: | Niederbayern |
| District: | Landshut |
| Elevation: | 436 |
| Area: | 71.79 |
| Postal Code: | 84076 |
| Area Code: | 08782 |
| Licence: | LA |
| Gemeindeschlüssel: | 09 2 74 172 |
| Mayor: | Florian Hölzl[1] |
| Leader Term: | 2020 - 26 |
| Party: | CSU |
Pfeffenhausen is a market town and a municipality in the district of Landshut in Bavaria in Germany.