The Catholic Church in Austria is currently composed of :

• two ecclesiastical provinces and 7 suffragan dioceses of the western Latin Church
• an exempt military ordinate and a territorial abbey, both also Latin Rite.
• an ordinariate for Eastern Catholic faithful, Byzantine Rite

• Military Ordinariate of Austria
• Territorial Abbey of Wettingen-Mehrerau

• Metropolitan Archdiocese of Salzburg, primatial see of all Austria
  • Diocese of Feldkirch
  • Diocese of Graz-Seckau
  • Diocese of Gurk-Klagenfurt
  • Diocese of Innsbruck

• Metropolitan Archdiocese of Vienna
  • Diocese of Eisenstadt
  • Diocese of Linz
  • Diocese of Sankt Pölten

• Ordinariate for Byzantine-rite Catholics in Austria

• Metropolitan Archdiocese of Tiburnia
• Metropolitan Archdiocese of Lauriacum

• Ancient Diocese of Aguntum
• Ancient Diocese of Virunum
• Roman Catholic Diocese of Wiener Neustadt

Excluding precursors of present dioceses that were merely renamed or promoted

• Ancient Diocese of Juvavo
• Roman Catholic Diocese of Lavant (Lavanttal, Lavantin(us)), united with Metropolitan Archdiocese of Maribor
• Roman Catholic Diocese of Leoben, merged into Diocese of Graz–Seckau
• Stift Sankt Peter Salzburg, an Abbacy nullius

• GCatholic.org - data for all sections.
• Catholic-Hierarchy^{[ self-published source]}