| Breitenbach | |
| Mouth Coordinates: | 47.7218°N 11.7273°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Germany |
| Subdivision Type2: | State |
| Subdivision Name2: | Bavaria |
Breitenbach is a river in Bad Wiessee of Bavaria, Germany. It is a tributary of the Tegernsee, which is drained by the Mangfall.