Thomas Becket (Cheapside, London, Uingereza, 1118 (au 1120) – 29 Desemba 1170) alikuwa Askofu mkuu wa Canterbury tangu 1162 hadi kifodini chake kilichotokea wakati wa Misa katika kanisa kuu. Anaheshimiwa na Kanisa Katoliki na Anglikana kama mtakatifu wafiadini Sababu ya kuuawa ni kubishana kwake na mfalme Henry II wa Uingereza juu ya haki na fadhili za Kanisa. Muda mfupi baadaye Papa Alexander III alimtangaza mtakatifu tarehe 21 Februari 1173. Sikukuu yake huadhimishwa tarehe 29 Desemba. Watakatifu wa Agano la Kale Orodha ya Watakatifu Wakristo Orodha ya Watakatifu wa Afrika Orodha ya Watakatifu Wafransisko Martyrologium Romanum Barlow, Frank (1986). Thomas Becket. Berkeley, CA: University of California Press. ISBN 0-520-07175-1.  Barlow, Frank (2004). "Becket, Thomas (1120?–1170)". Oxford Dictionary of National Biography. Oxford University Press. doi:10.1093/ref:odnb/27201 . http://www.oxforddnb.com/view/article/27201. Retrieved 17 April 2011. Butler, Alban (1991). in Walsh, Michael: Butler's Lives of the Saints. New York: HarperCollins Publishers.  Douglas, David C.; Greenway, George W. (1953). English Historical Documents 1042–1189, Second, 1981 2, London: Routledge.