Krummbach

Krummbach may refer to:


 * Krummbach LU, a village in the municipality of Geuensee, canton of Lucerne, Switzerland
 * Krummbach (Ablach), a river of Baden-Württemberg, Germany, tributary of the Ablach
 * Krummbach (Dreisam), a river of Baden-Württemberg, Germany, tributary of the Dreisam
 * Krummbach (Steinhauser Rottum), artificially created stream in Ochsenhausen, Baden-Baden-Württemberg, Germany, tributary of the Steinhauser Rottum