A diocesan museum is a museum for an ecclesiastical diocese.
Austria:
Evangelical Diocesan Museum, Burgenland in the Evangelical Prayer House in the Mönchhof Village MuseumDiocesan Museum, Graz, StyriaGurk Treasury, CarinthiaEvangelical Diocesan Museum, Fresach in Fresach, CarinthiaDiocesan Museum, Linz, Upper AustriaEvangelical Diocesan Museum, Styria in MurauCathedral Museum Salzburg, Salzburg state (Diocesan and Cathedral Chapter collections)Diocesan Museum, St. Pölten, Lower AustriaCathedral and Diocesan Museum, ViennaGermany:
Augustiner Museum Freiburg, Diocesan Museum, for the Archbishopric of FreiburgDiocesan Museum, BambergKolumba, Archepiscopal Diocesan Museum, CologneDiocesan Museum, EichstättDomberg Museum, FreisingCathedral Museum, FuldaCathedral Museum, HildesheimCathedral and Diocesan Museum, MainzDiocesan Museum, OsnabrückArchepiscopal Diocesan Museum, and Cathedral Treasury, PaderbornBishopric Museums, RegensburgDiocesan Museum, RottenburgItaly:
Diocesan Museum, BrixenSpain:
Diocesan Museum, Jaca