Jean-Claude Ézechiel Jean-Baptiste Boulanger (born 1 March 1945) is a French prelate of the Catholic Church.

From 1972 to 1979 he worked in Arras as Vicar in the pastoral sector of St. Pol-sur-Ternoise and chaplain for the students and young people of the region.

Within his diocese he was a member of the Presbyteral Council, Diocesan Delegate for Formation and Communication, and Chaplain of the Mouvement des Cadres, Techniciens, Ingénieurs et Dirigeants Chrétiens.

[1] On 16 October 2001, Pope John Paul II named him Coadjutor Bishop of Séez.

He succeeded as Bishop of Sées on 25 April 2002, when Pope John Paul accepted the resignation of his predecessor, Yves-Marie Dubigeon.