Sirili IV wa Aleksandria (1816 hivi- 31 Januari 1861) kuanzia mwaka 1854 hadi kifo chake alikuwa Patriarki wa 110 wa Aleksandria (Misri). Anaheshimiwa na Waorthodoksi wa Mashariki kama mtakatifu. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Meinardus, Otto F.A. (2002). Two Thousand Years of Coptic Christianity. American University in Cairo Press. ISBN 978-977-424-757-6.  Atiya, Aziz S. The Coptic Encyclopedia. New York: Macmillan Publishing Co., 1991. ISBN 0-02-897025-XScript error: No such module "check isxn". The Official website of the Coptic Orthodox Pope of Alexandria and Patriarch of All Africa on the Holy See of Saint Mark the Apostle Archived 9 Machi 2018 at the Wayback Machine. Coptic Orthodox Synaxarium (Book of Saints): The Departure of Pope Cyril IV (Kyrillos), 110th Pope of Alexandria