Arre is a comune (municipality) in the Province of Padua, in the Veneto region of northern Italy. It is situated in the Po Valley area of the region, roughly 40 kilometres (25 mi) southwest of Venice and about 25 kilometres (16 mi) south of Padua, the provincial capital.
The municipality covers an area of 12.4 square kilometres (4.8 sq mi). As of 31 December 2004, its population was recorded at 2,067, making it a small, sparsely populated community within the province.