The Archdiocese of Chambéry, Saint-Jean-de-Maurienne, and Tarentaise (Latin: Archidioecesis Camberiensis, Maruianensis et Tarantasiensis; French: Archidiocèse de Chambéry, Saint-Jean-de-Maurienne et Tarentaise) is a complex of three jurisdictions of the Catholic Church in France that have, since 1966, been united in the person of a single prelate who is titled Archbishop of Chambéry, Bishop of Maurienne, and Bishop of Tarentaise. All three are suffragans of the Archdiocese of Lyon. The archepiscopal see of Chambéry is Chambéry Cathedral. The complex encompasses the department of Savoie, in the Region of Rhône-Alpes.
Though sometimes referred to as a single archdiocese, the three jurisdictions are distinct, and the prelate appointed as their head is installed in each in a separate ceremony.
