| Weilheim–Peißenberg | |
| Image Alt: | Blue-and-white train |
| Locale: | Upper Bavaria |
| Stations: | 3 |
| Routes: | RB 67 |
| Linelength Km: | 8.9 |
| Routenumber: | 5450 |
| Linenumber: | 962 |
| Map State: | uncollapsed |
The Weilheim–Peißenberg railway is a railway line in Upper Bavaria, Germany. It runs from a junction with the Munich–Garmisch-Partenkirchen railway in to a junction with the Schongau–Peißenberg railway in .