Château Moulin d’Houchat is an estate in the commune of Saint-Aignan in the Fronsadais on the right bank of the Bordeaux region. It produces red wines under the Fronsac AOC.

Owner: Jean-Pierre Artiguevieille. He also owns Château Moulin des Tonnelles (which see), also in Saint-Aignan.

Vineyards: 7ha.