Noppenbach
Noppenbach is a water body name:
- Noppenbach (Fladnitzbach) , left tributary of the Fladnitzbach or the Fladnitz near Statzendorf , Sankt Pölten-Land district, Lower Austria; see Fladnitzbach # Noppenbach
- Noppenbach (Tiergartengraben) , right main line upper course of the Tiergartengraben (to Otterbach ) to the lake near the parking garage at the Tiergarten, Markt Donaustauf , Regensburg district, Bavaria