| Fornacher Redlbach | |
| Source1 Location: | Upper Austria |
| Mouth Location: | West of Vöcklamarkt into the Vöckla |
| Mouth Coordinates: | 48.0001°N 13.4688°W |
| Progression: | Vöckla→ |
| Subdivision Type1: | Country |
| Subdivision Name1: | Austria |
| Subdivision Type2: | State |
| Subdivision Name2: | Upper Austria |
| Length: | 13.8km (08.6miles) |
The Fornacher Redlbach is a river of Upper Austria.
The Fornacher Redlbach has a length of approximately and a width of about . West of Vöcklamarkt it joins the Vöckla, which itself joins the Ager. The river is partly untreated, partly modulated with backwater area. Thanks to its excellent water quality it is rich in trout.