William Brock

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 Brock (engineer) (1830-1907), British entrepreneur
 * 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