Jurisdiction | Cathedral | Type |
| Arusha | St. Theresa’s Metropolitan Cathedral  Arusha, Arusha, Tanzania  |  Cathedral |
| Bagamoyo | Cathedral of the Immaculate Heart of Mary Bagamoyo, Pwani, Tanzania | Cathedral |
| Bukoba | Mater Misericordiae Cathedral Bukoba, Kagera, Tanzania | Cathedral |
| Bukoba | Former Cathedral of St. Joseph Kamachumu, Kagera, Tanzania |  Former Cathedral |
| Bunda | Cathedral of St. Paul Bunda, Mara, Tanzania | Cathedral |
| Dar-es-Salaam | Metropolitan Cathedral of St. Joseph Dar-es-Salaam, Dar es Salaam, Tanzania | Cathedral |
| Dodoma | St. Paul of the Cross Cathedral Dodoma, Dodoma, Tanzania | Cathedral |
| Geita | Cathedral of Mary Queen of Peace Geita, Geita, Tanzania | Cathedral |
| Ifakara | Cathedral of St. Patrick Ifakara, Morogoro, Tanzania | Cathedral |
| Iringa | Kihesa Cathedral of the Sacred Heart Iringa, Iringa, Tanzania | Cathedral |
| Kahama | Cathedral of St. Charles Lwanga Kahama, Shinyanga, Tanzania | Cathedral |
| Kayanga | Cathedral of St. George Kayanga, Kagera, Tanzania | Cathedral |
| Kigoma | Cathedral of Our Lady of Victory Kigoma, Kigoma, Tanzania | Cathedral |
| Kondoa | Cathedral of the Holy Spirit Kondoa, Dodoma, Tanzania | Cathedral |
| Kondoa | Former Cathedral of the Holy Spirit Kondoa, Dodoma, Tanzania | Former Cathedral |
| Lindi | Cathedral of St. Andrew Kaggwa Lindi, Lindi, Tanzania | Cathedral |
| Lindi | Former Cathedral Nachingwea, Lindi, Tanzania | Former Cathedral |
| Mafinga | Cathedral of the Assumption of the Blessed Virgin Mary Mafinga, Iringa, Tanzania | Cathedral |
| Mahenge | Cathedral of Christ the King Mahenge, Morogoro, Tanzania | Cathedral |
| Mbeya | Christ the King Cathedral Mbeya, Mbeya, Tanzania | Cathedral |
| Mbinga | St. Kilian Cathedral Mbinga, Ruvuma, Tanzania | Cathedral |
| Mbulu | Sanu Cathedral Mbulu, Manyara, Tanzania | Cathedral |
| Morogoro | Cathedral of St. Patrick Morogoro, Morogoro, Tanzania | Cathedral |
| Moshi | Cathedral of Christ the King Moshi, Kilimanjaro, Tanzania | Cathedral |
| Mpanda | Cathedral of the Immaculate Conception Mpanda, Katavi, Tanzania | Cathedral |
| Mtwara | Cathedral of All Saints Mtwara, Mtwara, Tanzania | Cathedral |
| Mtwara | Abbey of Our Lady Help of Christians Mtwara, Mwanza, Tanzania | Former Cathedral, Shrine |
| Musoma | Cathedral of Holy Mary Mother of God Musoma, Mara, Tanzania | Cathedral |
| Mwanza | Metropolitan Cathedral of the Epiphany Mwanza, Mwanza, Tanzania | Cathedral |
| Njombe | Cathedral of St. Joseph Njombe, Njombe, Tanzania | Cathedral |
| Rulenge–Ngara | Pro-Cathedral of Christ the King Rulenge, Kagera, Tanzania |  Pro-Cathedral |
| Same | Cathedral of Christ the King Same, Manyara, Tanzania | Cathedral |
| Shinyanga | Cathedral of Mater Misericordiae Shinyanga, Shinyanga, Tanzania | Cathedral |
| Singida | Cathedral of the Holy Ghost Singida, Singida, Tanzania | Cathedral |
| Songea | St. Mathias Mulumba Kalemba Metropolitan Cathedral Songea, Ruvuma, Tanzania | Cathedral |
| Sumbawanga | Cathedral of the Magi Sumbawanga, Rukwa, Tanzania | Cathedral |
| Tabora | St. Therese of the Child Jesus Metropolitan Cathedral Tabora, Tabora, Tanzania | Cathedral |
| Tanga | Cathedral of St. Anthony Tanga, Tanga, Tanzania | Cathedral |
| Tunduru–Masasi | Cathedral of St. Francis Xavier Tunduru, Ruvuma, Tanzania | Cathedral |
| Zanzibar | St. Joseph’s Cathedral Zanzibar, Mjini Magharibi (Zanzibar Urban/West), Tanzania | Cathedral |
