William Church may refer to:
William Church (inventor) (1778–1863), American inventor who patented a typesetting machine in 1822 William Campbell Church (died 1915), Scottish rugby union player William Conant Church (1836–1917), American journalist and soldier William W. Church (1874–?), American football coach Sir William Church, 1st Baronet (1837–1928), English physician William S. Church (1858–?), American politician from New York
See also Church (surname)