Rettenbach may refer to the following places:
- in Bavaria, Germany:
- Rettenbach, Upper Palatinate, in the district of Cham
- Rettenbach, Swabia, in the district of Günzburg
- Rettenbach am Auerberg, in the district Ostallgäu
- Markt Rettenbach, in the district Unterallgäu
- in Austria:
- Rettenbach glacier, near Sölden in the ôtztal Alps
- Rettenbach (ski slope), World Cup alpine ski slope near Sölden in the ôtztal Alps