Petrem (French: Piétrain, Waals: Pîtrin) is a village in the Belgian province Walloon Brabant and a sub-municipality of Jodoigne. In the south of the sub-municipality is the village Herbais.
Coordinates: 50°44′N 4°55′E / 50.733°N 4.917°E / 50.733; 4.917