Fides wa Agen (alifariki Agen, Akwitania, leo nchini Ufaransa, 303 hivi) alikuwa mwanamke Mkristo aliyeuawa kwa ajili ya imani yake kutokana na dhuluma ya kaisari Dioklesyano. Tangu kale anaheshimiwa na Wakristo wa madhehebu mbalimbali kama mtakatifu mfiadini. Sikukuu yake huadhimishwa tarehe 6 Oktoba. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko http://www.santiebeati.it/dettaglio/73325 Martyrologium Romanum (1999) Writing Faith: Text, Sign & History in the Miracles of Sainte Foy. University of Chicago Press. ISBN 978-0-226-02966-5.  (2000) Butler's Lives of the Saints 4. Liturgical Press. ISBN 978-0-814-62380-0.  Geary, Patrick (2011). Furta Sacra: Thefts of Relics in the Central Middle Ages. Princeton University Press. ISBN 978-1-400-82020-7.  Hallam, Elizabeth (ed.) (1994). Saints: Who They Are and How They Help You. New York: Simon & Schuster. ISBN 978-0-671-88253-2.  (2009) Saints of California: A Guide to Places and Their Patrons. J. Paul Getty Museum. ISBN 978-0-892-36984-3.  Russell, Delbert W. (2012). Verse Saints' Lives Written in the French of England, The French of England Translation Series 43.