Longchamps (French pronunciation: [lɔ̃ʃɑ̃]) is a village in the Belgian Namur Province and a deelgemeente (sub-municipality) of the municipality of Éghezée.

The Le Clercq company produces Kewlox furniture.

The Brichart company has a large depot for cereals and fertilizer.

[1] The râperie de Longchamps is part of the Wanze Sugar Factory.

[2] In Medieval times, Longchamps was an enclave of the Duchy of Brabant in the County of Namur.