| Name |
Location |
Status |
Key Finds |
CIMRM/Other Ref |
Latitude |
Longitude |
Date Discovered |
Notes |
| Alba Iulia | Romania | Confirmed | Subterranean shrine with tauroctony (Legio XIII Gemina) | N/A | 46.067 | 23.57 | 1970 | CIMRM Suppl. (2005) |
| Mithraeum of Apulum | Alba Iulia, Romania | Confirmed | Relief fragments | - | 46.0667 | 23.5667 | 2022 | Legionary headquarters |
| Mithraeum of Apulum II | Alba Iulia, Romania | Confirmed | Second sanctuary | - | 46.0667 | 23.5667 | 2021 | New excavation |
| Mithraeum of Axiopolis | Cernavodă, Romania | Confirmed | Naval dedication | - | 44.3406 | 28.0328 | 1960 | Danube port |
| Mithraeum of Capidava | Capidava, Romania | Confirmed | Limes outpost | - | 44.4936 | 28.0936 | 1990 | Danube fortress |
| Mithraeum of Dierna | Orșova, Romania | Probable | Cave shrine | - | 44.7253 | 22.3961 | 2005 | Iron Gates site |
| Mithraeum of Dinogetia | Garvăn, Romania | Disputed | Possible structure | - | 45.3833 | 28.1333 | 2010 | Under excavation |
| Mithraeum of Drobeta | Drobeta-Turnu Severin, Romania | Confirmed | Danube reliefs | - | 44.6239 | 22.6653 | 1970 | Trajan's bridgehead |
| Mithraeum of Histria | Istria, Romania | Confirmed | Coastal sanctuary | - | 44.55 | 28.7667 | 2010 | New excavations |
| Mithraeum of Napoca | Cluj-Napoca, Romania | Confirmed | Dacian motifs | - | 46.7667 | 23.5833 | 2000 | Provincial capital |
| Mithraeum of Potaissa | Turda, Romania | Confirmed | Tauroctony fragment | - | 46.5667 | 23.7833 | 2023 | Newly reinterpreted |
| Mithraeum of Potaissa II | Turda, Romania | Disputed | New chamber | - | 46.5667 | 23.7833 | 2023 | Reinterpretation |
| Mithraeum of Sarmizegetusa | Sarmizegetusa, Romania | Confirmed | Tauroctony, altar | CIMRM 1938-1942 | 45.5167 | 22.7833 | 1882 | Imperial cult connections. |
| Mithraeum of Sarmizegetusa II | Sarmizegetusa, Romania | Probable | Second shrine | - | 45.5167 | 22.7833 | 2018 | Under forum |
| Mithraeum of Tomis | Constanța, Romania | Confirmed | Black Sea relief | - | 44.1733 | 28.6383 | 1960s | Ovid's exile city. |
| Mithraeum of Troesmis | Turcoaia, Romania | Confirmed | Legionary altar | - | 45.1667 | 28.2 | 1980 | Danube delta |
| Porolissum | Romania | Investigating | Geophysical anomalies suggest cult chamber | N/A | 47.179 | 23.116 | 2022 | Porolissum Project |
| Sarmizegetusa Regia | Romania | Confirmed | Dacian-Roman hybrid sanctuary (unique iconography) | N/A | 45.622 | 23.31 | 1980 | Dacia Journal (2020) |
| Tropaeum Traiani | Romania | Probable | Fragmentary Mithras altar | N/A | 45.017 | 28.213 | 2010 | Petculescu 2011 (JRA) |