Eustache Restout (12 November 1655, in Caen – 1 November 1743, in 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.

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• Édouard Frère, Manuel du bibliographe normand, Rouen, Le Brument, 1860
• Philippe de Chennevières, Recherches sur la vie et les ouvrages de quelques peintres provinciaux de l'ancienne France, Paris, Dumoulin, 1847–1862