Maximilian Emanuel, 3rd Prince of Hornes, Count of Baucignies and of Solre-le-Château (31 August 1695, Brussels – 12 January 1763, Brussels), was a nobleman and Grand Huntsman of Brabant.
His father was Philippe Emanuel, 2nd Prince of Hornes, and his mother was Princess Marie Anne Antoinette of Ligne.
He was made a Knight of the Austrian Golden Fleece in 1749.
The Principality of Hornes was surrounded by the Bishopric of Liège.