Ludwigsbach
Ludwigsbach is a water body name:
- Ludwigsbach (Fischbach) , left tributary of the Fischbach (to the Kyll in Birresborn) in Kopp , Vulkaneifel district, Rhineland-Palatinate
- Ludwigsbach (Jagst) , left tributary of the Jagst near Schönau, Rindelbach district , Ellwangen, Ostalbkreis, Baden-Württemberg