Eustache Restout (12 November 1655, Caen - 1 November 1743, Mondaye) was a French architect, engraver, painter and Premonstratensian canon regular, belonging to the artistic Restout dynasty. At his death he was sub-prior of abbaye Saint-Martin de Mondaye - he had produced the plans on which that monastery was rebuilt and painted several paintings for it (now in Bayeux Cathedral). His students included his nephew Jean II Restout.