Petronila wa Roma (alifariki mjini Roma, Italia, karne ya 1) alikuwa bikira Mkristo. Kwa sababu hiyo aliuawa wakati wa dhuluma ya Dola la Roma. Tangu kale anaheshimiwa na Wakatoliki na Waorthodoksi kama mtakatifu mfiadini. Sikukuu yake ni tarehe 31 Mei. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko http://www.santiebeati.it/dettaglio/55450 Martyrologium Romanum Patron Saints Index: Petronilla Saints of May 31: Petronilla Archived 16 Agosti 2017 at the Wayback Machine. Altar in St Peter's Basilica Colonnade Statue St Peter's Square Image of Petronilla from catacomb Archived 25 Septemba 2017 at the Wayback Machine.