Didimo wa Ankara (pia: Gemellus; alifariki Ancyra, leo Ankara, nchini Uturuki, 362 hivi) alikuwa Mkristo wa Paflagonia katika Dola la Roma aliyefia imani yake wakati wa kaisari Juliani Mwasi, inasemekana kwa kusulubiwa. Tangu kale anaheshimiwa kama mtakatifu mfiadini. Sikukuu yake huadhimishwa tarehe 10 Desemba. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Sir William Smith, A dictionary of christian biography, literature, sects and doctrines: being a continuation of "The dictionary of the Bible", Volume 1 (Little, Brown & Co., 1880), 623. Michael Walsh, A New Dictionary of Saints: East and West (Liturgical Press, 2007), 222. http://www.santiebeati.it/dettaglio/80920 Martyrologium Romanum (Libreria Editrice Vaticana, 2001, ISBN|88-209-7210-7)