The Diocese of Tarbes et Lourdes (Latin: Dioecesis Tarbiensis et Lourdensis; French: Diocèse de Tarbes et Lourdes) is a Latin Church ecclesiastical territory or diocese of the Catholic Church in France.

[3] The Cathedral had been burned and seriously damaged in the French Wars of Religion by the Huguenots, and was a long time in being restored.

The Chapter had an unusually large number of dignitaries: a Provost (which became dormant), eight Archdeacons, the Cantor, the Sacristan, the Chamberlain and the Infirmarius.

[5] In 1676 the city of Tarbes, which was under the jurisdiction of the King of France, had approximately 2000 Catholic inhabitants.

Elsewhere in the diocese there were convents of Dominicans, Repenties, Capucines, Carmelites, and Minims of S. Francesco di Paola.