'''Theaker''' is a surname. Notable people with this name include:
*Cam Theaker (1912–1992), English footballer *Deborah Theaker (born 1964), Canadian actress *Harry Theaker (1873–1954), English painter, illustrator *Hugh A. Theaker (1842–1903), American colonel *Raer Theaker (born 1997), Welsh gymnast *Thomas Clarke Theaker (1812–1883), American politician *Theaker Wilder (1717–1778), Irish professor
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