| Name |
Location |
Status |
Key Finds |
CIMRM/Other Ref |
Latitude |
Longitude |
Date Discovered |
Notes |
| Falerii Novi | Fabrica di Roma, Italy | Probable | Tile stamp ""DEO M"" | AE 1987, 0359 | 42.3028 | 12.36 | 1980 | Near Via Cassia |
| Interamna Nahars | Terni, Italy | Probable | Brick stamp | Epigraphica 62 | 42.5667 | 12.65 | 2001 | Under Piazza Clai |
| Mithraeum of Albano Laziale | Albano Laziale, Italy | Confirmed | Military dedications | CIMRM 657-659 | 41.7333 | 12.6667 | 1935 | Legionary camp site |
| Mithraeum of Altinum | Altino, Italy | Probable | Bronze plaques | - | 45.55 | 12.4 | 1962 | Venetian lagoon site. |
| Mithraeum of Anzio | Anzio, Italy | Confirmed | Marble reliefs | CIMRM 647-649 | 41.45 | 12.6167 | 1878 | Imperial villa area |
| Mithraeum of Aquileia | Aquileia, Italy | Confirmed | Mosaic floor | CIMRM 737-739 | 45.7667 | 13.3667 | 1895 | Major Adriatic port. |
| Mithraeum of Brescia | Brescia, Italy | Confirmed | Tauroctony relief | CIMRM 724-726 | 45.5333 | 10.2167 | 1826 | Roman Brixia site. |
| Mithraeum of Capua | Santa Maria Capua Vetere, Italy | Confirmed | Frescoes, tauroctony | CIMRM 180-181 | 41.0853 | 14.25 | 1823 | Best-preserved frescoes. |
| Mithraeum of Castel Gandolfo | Castel Gandolfo, Italy | Confirmed | Imperial inscriptions | CIMRM 654-656 | 41.7833 | 12.65 | 1969 | Papal summer residence site |
| Mithraeum of Concordia | Concordia Sagittaria, Italy | Confirmed | Inscriptions | CIMRM 740-742 | 45.7667 | 12.8333 | 1879 | Arrow factory colony. |
| Mithraeum of Ferento | Ferento, Italy | Confirmed | Inscriptions | CIMRM 668-670 | 42.4833 | 12.1333 | 1923 | Etruscan-Roman town |
| Mithraeum of Grotta del Mitreo | Marina di Ravenna, Italy | Probable | Cave paintings | - | 44.3333 | 12.3 | 1965 | Coastal cave site. |
| Mithraeum of Grottaferrata | Grottaferrata, Italy | Probable | Cult objects | - | 41.7833 | 12.6667 | 1961 | Near Roman villa |
| Mithraeum of Milano | Milan, Italy | Confirmed | Fresco fragments | CIMRM 699-701 | 45.4667 | 9.1833 | 1955 | Under San Giovanni in Conca |
| Mithraeum of Ostia (Aldobrandini) | Ostia Antica, Italy | Confirmed | Lunar symbolism | CIMRM 209 | 41.755 | 12.29 | 1903 | Named after excavator. |
| Mithraeum of Ostia (Apuleio) | Ostia Antica, Italy | Confirmed | Philosophical graffiti | CIMRM 215 | 41.755 | 12.29 | 1912 | Possible Platonic links. |
| Mithraeum of Ostia (Casa di Diana) | Ostia Antica, Italy | Confirmed | Residential context | CIMRM 228 | 41.755 | 12.29 | 1927 | In apartment building. |
| Mithraeum of Ostia (Caseggiato dei Molini) | Ostia Antica, Italy | Confirmed | Mill workers' dedications | CIMRM 281 | 41.755 | 12.29 | 1931 | Industrial context. |
| Mithraeum of Ostia (Crypta Balbi) | Ostia Antica, Italy | Probable | Theater district finds | - | 41.755 | 12.29 | 1967 | Near ancient theater. |
| Mithraeum of Ostia (Felicioussimo) | Ostia Antica, Italy | Confirmed | Mosaic, tauroctony | CIMRM 312 | 41.755 | 12.29 | 1867 | Named after donor. |
| Mithraeum of Ostia (Fructosus) | Ostia Antica, Italy | Confirmed | Mosaic donor inscription | CIMRM 233 | 41.755 | 12.29 | 1909 | Named after priest Fructosus. |
| Mithraeum of Ostia (Horrea Epagathiana) | Ostia Antica, Italy | Confirmed | Warehouse shrine | CIMRM 247 | 41.755 | 12.29 | 1935 | Commercial district. |
| Mithraeum of Ostia (Mitreo di Lucrezio) | Ostia Antica, Italy | Confirmed | Erotic frescoes | CIMRM 240 | 41.755 | 12.29 | 1919 | Named after artwork. |
| Mithraeum of Ostia (Palazzo Imperiale) | Ostia Antica, Italy | Confirmed | Imperial busts | CIMRM 251 | 41.755 | 12.29 | 1938 | Near imperial complex. |
| Mithraeum of Ostia (Piazzale delle Corporazioni) | Ostia Antica, Italy | Confirmed | Trade guild marks | CIMRM 257 | 41.755 | 12.29 | 1948 | Merchants' square. |
| Mithraeum of Ostia (Serapide) | Ostia Antica, Italy | Confirmed | Syncretic Serapis-Mithras relief | CIMRM 225 | 41.755 | 12.29 | 1867 | Near Temple of Serapis. |
| Mithraeum of Ostia (Sette Porte) | Ostia Antica, Italy | Confirmed | Seven-gated design | CIMRM 291 | 41.755 | 12.29 | 1929 | Unique architecture. |
| Mithraeum of Ostia (Sette Sale) | Ostia Antica, Italy | Confirmed | Water system | CIMRM 267 | 41.755 | 12.29 | 1957 | Near cisterns. |
| Mithraeum of Ostia (Spade) | Ostia Antica, Italy | Confirmed | Weapon reliefs | CIMRM 222 | 41.755 | 12.29 | 1924 | Military associations. |
| Mithraeum of Ostia (Terme del Mitra) | Ostia Antica, Italy | Confirmed | Bath complex | CIMRM 261 | 41.755 | 12.29 | 1940 | Integrated with baths. |
| Mithraeum of Ostia (Terme Marittime) | Ostia Antica, Italy | Confirmed | Marine motifs | CIMRM 277 | 41.755 | 12.29 | 1961 | Port baths complex. |
| Mithraeum of Ostia (Via della Foce) | Ostia Antica, Italy | Confirmed | Niche architecture | CIMRM 271 | 41.755 | 12.29 | 1952 | Street-side location. |
| Mithraeum of Ostia (Vicolo del Mitreo) | Ostia Antica, Italy | Confirmed | Street shrine | CIMRM 287 | 41.755 | 12.29 | 1933 | Alleyway location. |
| Mithraeum of Rome (Baths of Caracalla) | Rome, Italy | Confirmed | Imperial-scale complex | CIMRM 350-352 | 41.8792 | 12.4925 | 1912 | Largest known Mithraeum. |
| Mithraeum of Rome (Circus Maximus) | Rome, Italy | Confirmed | Chariot race motifs | CIMRM 360-362 | 41.8858 | 12.485 | 1931 | Under circus stands. |
| Mithraeum of Rome (San Clemente) | Rome, Italy | Confirmed | Frescoes, altar | CIMRM 334-336 | 41.8894 | 12.4978 | 1867 | Under Basilica of San Clemente. |
| Mithraeum of Rome (San Silvestro) | Rome, Italy | Confirmed | Aion statue | CIMRM 380-382 | 41.9 | 12.5 | 1914 | Syncretic iconography |
| Mithraeum of Rome (Santa Prisca) | Rome, Italy | Confirmed | Frescoes, inscriptions | CIMRM 370-373 | 41.8833 | 12.4986 | 1934 | Under church, zodiac motifs |
| Mithraeum of Rome (Via Giovanni Lanza) | Rome, Italy | Probable | Architectural fragments | - | 41.8958 | 12.5058 | 2003 | Urban salvage excavation |
| Mithraeum of Sutri | Sutri, Italy | Confirmed | Rock-cut sanctuary | CIMRM 665-667 | 42.2333 | 12.2167 | 1890 | Converted to church |
| Mithraeum of Tarquinia | Tarquinia, Italy | Probable | Cult chamber | - | 42.25 | 11.75 | 1985 | Possible Etruscan influence |
| Mithraeum of Verona | Verona, Italy | Confirmed | Cult niche | CIMRM 721-723 | 45.45 | 10.9833 | 1923 | Under church of S. Stefano. |
| Mithraeum of Vulci | Vulci, Italy | Confirmed | Etruscan-style relief | CIMRM 672-674 | 42.4167 | 11.6333 | 1972 | Etruscan-Roman transition |