Catholic DiocesesinRepublic of Austria (Austria) | ![]() |
| Former Jurisdiction | Type | Became |
| Aguntum / Agunto Aguntien(sis) | Diocese | Now Titular Episcopal See of Aguntum and Titular Episcopal See of Aguntum |
| Austria | Military Vicariate | Now Military Ordinariate of Katholische Militärseelsorge Österreich |
| Burgenland | Apostolic Administration | Now Diocese of Eisenstadt |
| Innsbruck–Feldkirch Œnipontan(us) | Diocese | Now Diocese of Innsbruck |
| Innsbruck–Feldkirch Œnipontan(us) | Apostolic Administration | Now Diocese of Innsbruck |
| Juvavo | Diocese | Now Metropolitan Archdiocese of Salzburg |
| Lauriacum / Lorch / Lauriaco Lauriacen(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Lauriacum and Titular Metropolitan See of Lauriacum |
| Lavant / Lavanttal Lavantin(us) | Diocese | United with |
| Lavant / Lavanttal Lavantin(us) | Diocese | United with |
| Lavant / Lavanttal Lavantin(us) | Diocese | United with |
| Leoben Leoben(sis) | Diocese | Suppressed into Diocese of Graz–Seckau |
| Salzburg Salisburgen(sis) | Diocese | Now Metropolitan Archdiocese of Salzburg |
| Seckau Seccovien(sis) | Diocese | Now Diocese of Graz–Seckau |
| Stift Sankt Peter Salzburg | Abbacy nullius | Now Metropolitan Archdiocese of Salzburg |
| Tiburnia / Tiburnia Tiburnien(sis) | Metr. Archdiocese | Now Titular Metropolitan See of Tiburnia and Titular Metropolitan See of Tiburnia |
| Virunum / Viruno Virunen(sis) | Diocese | Now Titular Episcopal See of Virunum and Titular Episcopal See of Virunum |
| Wien / Vienna Viennen(sis) / Vindobonen(sis) | Diocese | Now Metropolitan Archdiocese of Wien |
| Wiener Neustadt Neostadien(sis) | Diocese | Now Metropolitan Archdiocese of Wien and Titular Episcopal See of Wiener Neustadt |
© 2026 GCatholic.org