Lanzenbach

Lanzenbach may refer to:


 * Lanzenbach (Bühler), a river of Baden-Württemberg, Germany, tributary of the Bühler
 * Lanzenbach (Speltach), a river of Baden-Württemberg, Germany, tributary of the Speltach
 * Lanzenbach (Weißach), a river of Bavaria, Germany, tributary of the Weißach