William Brooks may refer to:
- William Thomas Brooks (1889–1943), police officer that led 1923 Victorian police strike
- William Brooks (Australian politician) (1858–1937), New South Wales politician
- William Brooks (footballer) (1873–?), English footballer
- William Brooks (died 1782), founder of English gentlemen's club Brooks's
- William Brooks, 2nd Baron Crawshaw (1853–1929), English nobleman
- William Brooks of Blackburn (1762–1846), cotton supplier
- William Collin Brooks (1893–1959), British journalist, writer and broadcaster
- William Cunliffe Brooks (1819–1900), British lawyer and politician
- William Edwin Brooks (1828–1899), Irish civil engineer and ornithologist
- Bucky Brooks (William Eldridge Brooks, Jr., born 1971), American football player and sportswriter
- Bill Brooks (coach) (William J. Brooks, 1922–2010), American baseball and basketball coach
- William Keith Brooks (1848–1908), American zoologist
- William L. Brooks (1832–1874), American western outlaw
- Bill Brooks (wide receiver) (William T. Brooks, Jr., born 1964), former American football player
- Bud Brooks (William Brooks, 1930–2005), American football player
- Billy Brooks (William McKinley Brooks III, born 1953), American football player
- William A. Brooks (1864–1921), American surgeon, football player, coach, official, and rower
- William Michael Clifton Brooks, 4th Baron Crawshaw (1933–1997), English nobleman
- William P. Brooks (1851–1938), American agricultural scientist
- William Robert Brooks (1844–1921), American astronomer
- William T. H. Brooks (1821–1870), Union Army general during the American Civil War
- William Frederick Brooks (1863–1928), American businessman and politician
See also
- Smith Observatory and Dr. William R. Brooks House, historic home and observatory in Geneva, New York, U.S.
- Brooks Farm, also known as the William Brooks Farm, historic farmsite in Troy, Michigan, U.S.
- Bill Brooks (disambiguation)
- William Brookes (disambiguation)
- William Penny Brookes (1809–1895), English physician and botanist, involved in the Olympics
- William Brooke (disambiguation)
- Bill Brookes, rugby league footballer of the 1900s for Hunslet
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