| Roman Catholic Diocese of Barbastro-Monzón | Diocesi di Barbastro-Monzón |
| Roman Catholic Diocese of Bata | Diocesi di Bata |
| Roman Catholic Diocese of Baton Rouge | Diocesi di Baton Rouge |
| Roman Catholic Diocese of Benguela | Diocesi di Benguela |
| Roman Catholic Diocese of Biloxi | Diocesi di Biloxi |
| Roman Catholic Diocese of Brooklyn | Diocesi di Brooklyn |
| Roman Catholic Diocese of Bunbury | Diocesi di Bunbury |
| Roman Catholic Diocese of Burlington | Diocesi di Burlington |
| Roman Catholic Diocese of Catamarca | Diocesi di Catamarca |
| Roman Catholic Diocese of Cloyne | Diocesi di Cloyne |
| Roman Catholic Diocese of Colorado Springs | Diocesi di Colorado Springs |
| Roman Catholic Diocese of Constantine | Diocesi di Costantina |
| Roman Catholic Diocese of Corpus Christi | Diocesi di Corpus Christi |
| Roman Catholic Diocese of Darwin | Diocesi di Darwin |
| Roman Catholic Diocese of Davenport | Diocesi di Davenport |
| Roman Catholic Diocese of Des Moines | Diocesi di Des Moines |
| Roman Catholic Diocese of Dubrovnik | Diocesi di Ragusa di Dalmazia |
| Roman Catholic Diocese of Faenza-Modigliana | Diocesi di Faenza-Modigliana |
| Roman Catholic Diocese of Fargo | Diocesi di Fargo |
| Roman Catholic Diocese of Gaylord | Diocesi di Gaylord |
| Roman Catholic Diocese of Goya | Diocesi di Goya |
| Roman Catholic Diocese of Grand Island | Diocesi di Grand Island |
| Roman Catholic Diocese of Grand Rapids | Diocesi di Grand Rapids |
| Roman Catholic Diocese of Gregorio de Laferrere | Diocesi di Gregorio de Laferrere |
| Roman Catholic Diocese of Houma-Thibodaux | Diocesi di Houma-Thibodaux |
| Roman Catholic Diocese of Huesca | Diocesi di Huesca |
| Roman Catholic Diocese of Jaca | Diocesi di Jaca |
| Roman Catholic Diocese of Kalamazoo | Diocesi di Kalamazoo |
| Roman Catholic Diocese of Kotor | Diocesi di Cattaro |
| Roman Catholic Diocese of Laghouat | Diocesi di Laghouat |
| Roman Catholic Diocese of Lake Charles | Diocesi di Lake Charles |
| Roman Catholic Diocese of Linares | Diocesi di Linares |
| Roman Catholic Diocese of Lleida | Diocesi di Lleida |
| Roman Catholic Diocese of Lomas de Zamora | Diocesi di Lomas de Zamora |
| Roman Catholic Diocese of Lugo | Diocesi di Lugo |
| Roman Catholic Diocese of Lutsk | Diocesi di Lutsk |
| Roman Catholic Diocese of Man | Diocesi di Man |
| Roman Catholic Diocese of Manchester | Diocesi di Manchester |
| Roman Catholic Diocese of Merlo-Moreno | Diocesi di Merlo-Moreno |
| Roman Catholic Diocese of Mondoñedo-Ferrol | Diocesi di Mondoñedo-Ferrol |
| Roman Catholic Diocese of Morón | Diocesi di Morón |
| Roman Catholic Diocese of Mostar-Duvno | Diocesi di Mostar-Duvno |
| Roman Catholic Diocese of Moundou | Diocesi di Moundou |
| Roman Catholic Diocese of Münster | Diocesi di Münster |
| Roman Catholic Diocese of Noto | Diocesi di Noto |
| Roman Catholic Diocese of Oran | Diocesi di Orano |
| Roman Catholic Diocese of Padova | Diocesi di Padova |
| Roman Catholic Diocese of Paramaribo | Diocesi di Paramaribo |
| Roman Catholic Diocese of Ponce | Diocesi di Ponce |
| Roman Catholic Diocese of Port Pirie | Diocesi di Port Pirie |
| Roman Catholic Diocese of Portland | Diocesi di Portland |
| Roman Catholic Diocese of Požega | Diocesi di Požega |
| Roman Catholic Diocese of Prince George | Diocesi di Prince George |
| Roman Catholic Diocese of Prizren | Amministrazione apostolica di Prizren |
| Roman Catholic Diocese of Raleigh | Diocesi di Raleigh |
| Roman Catholic Diocese of Rancagua | Diocesi di Rancagua |
| Roman Catholic Diocese of Richmond | Diocesi di Richmond |
| Roman Catholic Diocese of Saint Thomas | Diocesi di Saint Thomas |
| Roman Catholic Diocese of Sankt Gallen | Diocesi di San Gallo |
| Roman Catholic Diocese of Savannah | Diocesi di Savannah |
| Roman Catholic Diocese of Serrinha | Diocesi di Serrinha |
| Roman Catholic Diocese of Shanghai | Diocesi di Shanghai |
| Roman Catholic Diocese of Shendam | Diocesi di Shendam |
| Roman Catholic Diocese of Sion | Diocesi di Sion |
| Roman Catholic Diocese of Sora-Aquino-Pontecorvo | Diocesi di Sora-Aquino-Pontecorvo |
| Roman Catholic Diocese of Subotica | Diocesi di Subotica |
| Roman Catholic Diocese of Tarazona | Diocesi di Tarazona |
| Roman Catholic Diocese of Torit | Diocesi di Torit |
| Roman Catholic Diocese of Tortosa | Diocesi di Tortosa |
| Roman Catholic Diocese of Uruguayana | Diocesi di Uruguaiana |
| Roman Catholic Diocese of Viedma | Diocesi di Viedma |
| Roman Catholic Diocese of Wagga Wagga | Diocesi di Wagga Wagga |
| Roman Catholic Diocese of Whitehorse | Diocesi di Whitehorse |
| Roman Catholic Diocese of Wollongong | Diocesi di Wollongong |
| Roman Catholic Diocese of Yamoussoukro | Diocesi di Yamoussoukro |
| Roman Catholic Diocese of Yarmouth | Diocesi di Yarmouth |
| Roman Catholic Diocese of Zrenjanin | Diocesi di Zrenjanin |
| Roman Catholic religious order | Sigle degli ordini religiosi cattolici |
| Roman Catholicism | Chiesa cattolica |
| Roman Catholicism in Afghanistan | Chiesa cattolica in Afghanistan |
| Roman Catholicism in Albania | Chiesa cattolica in Albania |
| Roman Catholicism in Andorra | Chiesa cattolica in Andorra |
| Roman Catholicism in Austria | Chiesa cattolica in Austria |
| Roman Catholicism in Belgium | Chiesa cattolica in Belgio |
| Roman Catholicism in Bosnia and Herzegovina | Chiesa cattolica in Bosnia-Erzegovina |
| Roman Catholicism in Brazil | Chiesa cattolica in Brasile |
| Roman Catholicism in Brunei | Chiesa cattolica in Brunei |
| Roman Catholicism in Bulgaria | Chiesa cattolica in Bulgaria |
| Roman Catholicism in China | Chiesa cattolica in Cina |
| Roman Catholicism in Denmark | Chiesa cattolica in Danimarca |
| Roman Catholicism in Estonia | Chiesa cattolica in Estonia |
| Roman Catholicism in Europe | Chiesa cattolica in Europa |
| Roman Catholicism in Finland | Chiesa cattolica in Finlandia |
| Roman Catholicism in France | Chiesa cattolica in Francia |
| Roman Catholicism in Germany | Chiesa cattolica in Germania |
| Roman Catholicism in Great Britain | Chiesa cattolica nel Regno Unito |
| Roman Catholicism in Greece | Chiesa cattolica greca |
| Roman Catholicism in Iceland | Chiesa cattolica in Islanda |
| Roman Catholicism in Kuwait | Chiesa cattolica in Kuwait |
| Roman Catholicism in Latvia | Chiesa cattolica in Lettonia |
| Roman Catholicism in Liechtenstein | Chiesa cattolica in Liechtenstein |
| Roman Catholicism in Luxembourg | Chiesa cattolica in Lussemburgo |
| Roman Catholicism in Mongolia | Chiesa cattolica in Mongolia |
| Roman Catholicism in Morocco | Chiesa cattolica in Marocco |
| Roman Catholicism in Norway | Chiesa cattolica in Norvegia |
| Roman Catholicism in Poland | Chiesa cattolica in Polonia |
| Roman Catholicism in Portugal | Chiesa cattolica in Portogallo |
| Roman Catholicism in San Marino | Chiesa cattolica in San Marino |
| Roman Catholicism in Singapore | Chiesa cattolica di Singapore |
| Roman Catholicism in Slovenia | Chiesa cattolica in Slovenia |
| Roman Catholicism in Spain | Chiesa cattolica in Spagna |
| Roman Catholicism in Sweden | Chiesa cattolica in Svezia |
| Roman Catholicism in the Faroe Islands | Cattolicesimo nelle Isole Fær Øer |
| Roman Catholicism in the Netherlands | Chiesa cattolica nei Paesi Bassi |
| Roman Catholicism in Turkey | Chiesa cattolica in Turchia |
| Roman Catholicism in Ukraine | Chiesa cattolica in Ucraina |
| Roman citizenship | Cittadinanza romana |
| Roman civil wars | Guerre civili |
| Roman cloak | paludamento |
| Roman consul | Console |
| Roman culture | Arte romana |
| Roman currency | Monetazione romana |
| Roman cursive | Scrittura corsiva romana |
| Roman Dacia | Dacia |
| Roman de la Rose | Roman de la Rose |
| Roman dictator | Dittatore romano |
| Roman Empire | Impero romano |
| Roman Eremenko | Roman Eremenko |
| Roman Forum | Foro Romano |
| Roman Ghetto | Ghetto di Roma |
