Aye () is a village of Wallonia and a district of the municipality of Marche-en-Famenne, located in the province of Luxembourg, Belgium.
The inhabitants of Aye are called the "Godis" in the Walloon language.
At Aye, there is at 50ð12'16"N 5ð17'22"E a relay station of RTBF, which was originally used for broadcasting on 1305 kHz with a power of 10 kW.
The postal code is 6900.
The nearest airport is at Liege, about 46 km away.
It gives its name to a geologic formation.
The main accommodation is Château D'Assonville, an impressive castle hotel with 20 rooms, situated in a private park.
The hotel has a restaurant called Le Grand Pavillon.