Father René Laurentin (; October 19, 1917 – September 10, 2017) was a French theologian. He is widely recognized as "one of the world’s foremost students" of Mariology and is the author of numerous books and scholarly articles on topics including Marian apparitions such as Lourdes and Medjugorje; visionaries and mystics including Bernadette Soubirous, Thérèse de Lisieux, Catherine Labouré, and Yvonne Aimée de Malestroit; as well as biblical exegesis, theology, and Vatican II.