Marc Marie Max Aillet (born 17 April 1957) is a French Roman Catholic prelate, who has been the bishop of Bayonne since 30 November 2008.

He was ordained a priest on 3 July 1982 for the diocese of Genoa by Cardinal Giuseppe Siri.

He returned to France where he was incardinated in the diocese of Fréjus-Toulon and where he worked as a chaplain at the college of Saint-Raphaël.

He was appointed as the bishop of Bayonne by Pope Benedict on 15 October 2008[1] and was consecrated and installed on 30 November 2008 with Cardinal Jean-Pierre Ricard, archbishop of Bordeaux as his Principal Consecrator with Bishop Pierre Jean Marie Marcel Molères and Bishop Dominique Marie Jean Rey of Fréjus-Toulon serving as the principal co-consecrators.

[citation needed] He celebrated ordinations in the church of Saint-Eloi, Bordeaux, the personal parish of the Institute of the Good Shepherd in January 2010.