A diocesan museum is a museum for an ecclesiastical diocese, a geographically based division of the Christian Church.

Austria:

• Diocesan Museum, Graz, Styria
• Gurk Treasury, Carinthia^[1]
• Diocesan Museum, Linz, Upper Austria^[2]
• Cathedral Museum Salzburg, Salzburg state (Diocesan and Cathedral Chapter collections)
• Diocesan Museum, St. Pölten, Lower Austria^[3]
• Cathedral and Diocesan Museum, Vienna
• Evangelical Diocesan Museum, Burgenland in the Evangelical Prayer House in the Mönchhof Village Museum
• Evangelical Diocesan Museum, Fresach in Fresach, Carinthia
• Evangelical Diocesan Museum, Styria in Murau

Germany:

• Augustiner Museum Freiburg, Diocesan Museum, for the Archbishopric of Freiburg
• Diocesan Museum, Bamberg
• Kolumba, Archepiscopal Diocesan Museum, Cologne
• Diocesan Museum, Eichstätt
• Domberg Museum, Freising
• Cathedral Museum, Fulda
• Cathedral Museum, Hildesheim
• Cathedral and Diocesan Museum, Mainz
• Diocesan Museum, Osnabrück
• Archepiscopal Diocesan Museum, and Cathedral Treasury, Paderborn
• Bishopric Museums, Regensburg
• Diocesan Museum, Rottenburg

Italy:

• Diocesan Museum, Brixen
• Diocesan Museum (Cortona)

Spain:

• Diocesan Museum of Sacred Art, Álava (es)
• Diocesan Museum, Albarracín (es)
• Diocesan Museum, Alcalá de Henares (es)
• Diocesan Museum, Barbastro
• Diocesan Museum, Barcelona (ca)
• Diocesan Museum of Sacred Art, Bilbao (es)
• Cathedral [and Diocesan] Museum, Burgo de Osma
• Co-cathedral and Diocesan Museum, Cáceres
• Diocesan Museum, Calahorra
• Diocesan Museum, Ciudad Real
• Diocesan and Cathedral Museum, Ciudad Rodrigo (es)
• Diocesan Museum, Córdoba (es)
• Diocesan Museum, Cuenca (es)
• Diocesan Museum, Ibiza
• Diocesan Museum, Huelva (es)
• Diocesan Museum, Huesca (es)
• Diocesan Museum, Jaca (es)
• Cathedral [and Diocesan] Museum, Jaén (es)
• Diocesan Museum, La Seu d'Urgell (ca)
• Diocesan Museum of Sacred Art, Las Palmas de Gran Canaria (es)
• Diocesan and Cathedral Museum, León (es)
• Diocesan and Comarcal Lleida Museum, Lleida
• Diocesan and Cathedral Museum, Lugo
• Diocesan Museum of Sacred Art, Moguer (es)
• Cathedral and Diocesan Museum, Mondoñedo (gl)
• Diocesan Museum of Sacred Art, Orihuela (es)
• Church Museum, Oviedo (es)
• Diocesan Museum, Palencia (es)
• Diocesan Museum, Palma de Mallorca (ca)
• Cathedral and Diocesan Museum, Pamplona
• Diocesan Museum, Salamanca (es)
• Diocesan Museum, San Sebastián
• Regina Coeli Diocesan Museum, Santillana del Mar (es)
• Cathedral Museum, Segorbe
• Diocesan Museum of Ancient Art, Sigüenza (es)
• Diocesan and Regional Museum, Solsona (ca)
• Diocesan Museum, Tarragona (ca)
• [Diocesan] Museum of Sacred Art, Teruel
• Diocesan Museum, Tui, Spain
• Diocesan and Cathedral Museum, Valencia (es)
• Diocesan and Cathedral Museum, Valladolid (es)
• Episcopal Museum, Vic (ca)
• Diocesan Museum, Zamora (es)
• Alma Mater Museum [Diocesan Museum], Zaragoza (es)

External videos
3D Virtual Tour of Diocesan Museum Tiepolo Fresco Galleries. Frescoes by painter Giambattista Tiepolo.