Giles de Coninck (Aegidius; also called Regius) (b. 20 December 1571, at Bailleul in French Flanders; d. 31 May 1633, at Leuven) was a Flemish Jesuit theologian. Alphonsus Liguori considered Coninck a moral theologian of distinction, though John de Lugo impugned his views on many questions.