William Brock may refer to: William Brock (MP), MP for City of Chester Bill Brock (1930–2021), American senator William Brock (Australian politician) (1851–1913), member of the Tasmanian House of Assembly William Brock (Canadian politician) (1836–1917), Canadian politician William Brock (pastor) (1807–1875), British nonconformist minister William A. Brock (born 1941), American economist William Emerson Brock (1872–1950), American politician, grandfather of Bill Brock William S. Brock (1895–1932), American aviator William John Brock (1817–1863), religious writer William Hodson Brock (born 1936), British chemist and science historian