The former French Catholic diocese of Apt, in south-east France, existed from the fourth century until the French Revolution. By the Concordat of 1801, it was suppressed, and its territory was divided between the diocese of Digne and the diocese of Avignon.^[1] Its see was Apt Cathedral, in Vaucluse.

Bishops [link]

• 96–102?: Auspice
• 260?: Leonius
• 400–410?: Quentin
• 410–423?: Castor
• 431?–436: Auxonius
• 439–442: Jules
• 517–545: Pretextat
• 546: Eusebe
• 549–573: Clementin
• 581–585: Pappus
• 614: Innozenz
• 788: Magneric
• 853: Trutbert
• 867: Paul I.
• 879: Richard
• 885: Sendard
• 887: Paul II.
• 951–955: Rostan
• 960–964: Arnulf
• 965–984: Nartold
• 989–998: Theodoric
• 999–1110?: Ilbogus
• 1010–1046: Stephan
• 1046?: Laugier I.
• 1048–1080: Alphant
• 1095?–1099: Isoard
• 1102?: Bertrand
• 1103–1143: Laugier II. d'Agout
• 1145–1151: Raimond
• 1158–1162: Wilhelm I.
• 1162–1182: Pierre de Saint-Paul
• 1186–1193: Guiran de Viens
• 1208–1221: Gottfried I.
• 1221–1243: Gottfried II.
• 1243–1246: Guillaume Centullion
• 1246–1256: Geofroi Dalmas
• 1256–1268: Pierre Baile
• 1268–1272: Ripert de Viens
• 1272–1275: Raimond Centullion
• 1275–1303: Raimond Bot
• 1303–1319: Hugues Bot
• 1319–1330: Raimond Bot II.
• 1330–1331: Guiraud de Languissel
• 1331–1332: Bertrand Acciaioli
• 1332–1336: Guillaume d'Astre
• 1336–1341: Guillaume Audibert
• 1341–1342: Guillaume Amici (also Bishop of Fréjus)
• 1342–1348: Arnaud
• 1348–1358: Bertrand de Meissexier
• 1358–1361: Elzéar de Pontevès
• 1362–1383: Raimond Savini
• 1383–1390: Géraud du Breuil
• 1390–1410: Jean Fillet
• 1411–1412: Pierre Perricaud
• 1412–1430: Constantin de Pergola
• 1430–1437: Étienne d'Épernay
• 1438–1466: Pierre Nasondi
• 1467–1482: Jean d'Ortigue
• 1482–1489: Agricol de Panisse
• 1490–1494: Jean Chabrol
• 1494–1527?: Jean de Montaigu
• 1527?–1533: Jean de Nicolaï
• 1533–1540: César Trivulce
• 1540–1559: Pierre de Forli
• 1560–1571: Baptiste de Simiane
• 1571–1582: François de Simiane
• 1588–1607: Pompée de Periglio
• 1607–1628: Jean Pélissier
• 1629–1670: Modeste de Villeneuve
• 1671–1695: Jean de Gaillard
• 1696–1723: Ignace de Foresta
• 1723–1751: Jean-Baptiste de Vaccon
• 1752–1778: Félicien de la Merlière
• 1778–1801: Laurent Éon de Cély

Notes [link]

1. ^ [1], [2]