Guy Marie Alexandre Thomazeau (born 5 December 1937) was the Archbishop of Montpellier from 2002 to 2011. He was earlier Bishop of Beauvais, Bishop of Noyon, Bishop of Senlis, and auxiliary bishop of Meaux. Coming from a prominent business family, he served as 'vicaire' at Notre-Dame de Passy and subsequently as 'curé' of St. Pierre de Chaillot in the 16th arrondissement of Paris. He resigned his post of archbishop on 3 June 2011.