Pettingen (Luxembourgish: Pëtten) is a village in the commune of Mersch, in central Luxembourg. As of 2005[update], the village has a population of 198.
Pettingen Castle in the centre of the village is one of the best preserved fortified castles in the country.
Coordinates: 49°46′N 6°07′E / 49.767°N 6.117°E