Gregori wa Agrigento (Agrigento, 559 - Agrigento, 630) alikuwa askofu wa Kanisa Katoliki huko Agrigento, Sicilia, leo nchini Italia kuanzia mwaka 590 hadi kifo chake. Tangu kale anaheshimiwa na Wakatoliki na Waorthodoksi kama mtakatifu. Sikukuu yake huadhimishwa tarehe 23 Novemba. Anatajwa kama mwandishi wa vitabu vya Kigiriki juu ya Biblia. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Martyrologium Romanum (2006) Life and Works of Saint Gregentios, Archbishop of Taphar: Introduction, Critical Edition and Translation, Millennium Studies, 7. De Gruyter.  "Gregory, St (late 6th cent.), Bp. of Agrigentum (Girgenti) in Sicily". The Oxford Dictionary of the Christian Church (3rd rev. ed.). Oxford University Press. 2009 [2005]. https://www.oxfordreference.com/view/10.1093/acref/9780192802903.001.0001/acref-9780192802903-e-3009. Demacopoulos, George E. (2013). The Invention of Peter: Apostolic Discourse and Papal Authority in Late Antiquity. University of Pennsylvania Press.  Ferguson, Everett (1999). "Gregory of Agrigentum". In Everett Ferguson. Encyclopedia of Early Christianity (2nd ed.). Routledge.