Oreye (; ) is a municipality of Wallonia located in the province of Liège, Belgium.
On January 1, 2018, Oreye had a total population of 3,912. The total area is 19.64 km<sup>2</sup> which gives a population density of 199 inhabitants per km<sup>2</sup>.
The municipality consists of the following districts: Bergilers, Grandville, Lens-sur-Geer, Oreye, and Otrange.