| Name |
Location |
Status |
Key Finds |
CIMRM/Other Ref |
Latitude |
Longitude |
Date Discovered |
Notes |
| Mithraeum of Carnuntum III | Petronell-Carnuntum, Austria | Confirmed | Frescoed walls | CIMRM 1698-1702 | 48.1167 | 16.85 | 1998 | Third Mithraeum at site. |
| Mithraeum of Lentia | Linz, Austria | Confirmed | Tauroctony altar | - | 48.3065 | 14.2868 | 1906 | Danube frontier site |
| Mithraeum of Mauer an der Url | Mauer, Austria | Probable | Altar base | - | 48.0964 | 14.8036 | 1972 | Danube limes site. |
| Mithraeum of Traismauer | Traismauer, Austria | Confirmed | Tauroctony relief | CIMRM 1428-1430 | 48.35 | 15.7333 | 1883 | Augustianis fort. |
| Mithraeum of Virunum | Zollfeld, Austria | Confirmed | Tauroctony, altar | CIMRM 1434-1437 | 46.6975 | 14.3586 | 1885 | Roman provincial capital. |
| Vindobona | Austria | Confirmed | Zodiac mosaic found during subway construction | N/A | 48.21 | 16.373 | 2023 | City of Vienna (2024) |