William Gray
William, Willie, Bill, or Billy Gray may refer to:
Arts and entertainment
- William S. Gray (film editor), American film editor
- Billy Gray (comedian), American comedian, comedy club owner, and actor
- Billy Gray (actor), American actor who portrayed teenager Bud Anderson on TV's ''Father Knows Best''
Crime
- Billy Gray Williams, American hitman
Politics and law
- William Gray (Massachusetts politician), American politician and merchant
- William Gray (Conservative politician), British mill owner and Conservative Member of Parliament for Bolton 1857–1874
- William Gray (Canadian politician), politician in Ontario, Canada
- William Gray (Lord Provost), Lord Provost of Glasgow, 1972–1975
- William Gray (New Mexico politician), American state legislator in New Mexico
- William B. Gray, American attorney and politician
- William Bain Gray, British colonial administrator and civil servant
- William E. Gray, state legislator in Arkansas
- William H. Gray (Mississippi politician), Baptist minister and state legislator in Mississippi
- William H. Gray (Oregon politician), American pioneer of Oregon Country
- William H. Gray III, American Democrat from Pennsylvania
- Wilfred James "Bill" Gray, Australian government official, specialist in Aboriginal matters
- William Percival Gray, U.S. federal judge
Religion
- William Gray (priest), Anglican clergyman
- William Crane Gray, American religious figure; first bishop of the Episcopal Church's Missionary Jurisdiction
- *SS William Crane Gray, a Liberty ship
- William Henry Gray, Scottish minister
Sports
American football
- Bill Gray (offensive lineman), American offensive lineman for the Washington Redskins
- Bill Gray (Canadian football), Canadian football running back
- Bill Gray (American football coach), American football and tennis coach
Baseball
- Bill Gray (baseball), American Major League Baseball player, 1890–1898
- Dolly Gray (baseball), American Major League Baseball pitcher for the Washington Senators, 1909–1911
- Willie Gray, American baseball player
Other sports
- William Gray (jockey), British Champion flat jockey
- William Gray (cricketer), English cricketer
- Bill Gray (footballer), Scottish footballer with Partick Thistle and Southampton in the 1900s
- Bill Gray (rugby union),, New Zealand rugby union player
- Billy Gray (footballer), English footballer
- Billy Gray (horse trainer), horse trainer
Writing and academics
- William Forbes Gray, Scottish journalist and author
- William G. Gray, English occultist, author and mystic
- William M. Gray, American professor of atmospheric science
- William S. Gray, American academic, authority on the teaching of reading
Other fields
- William John Gray, 13th Lord Gray, Scottish nobleman and soldier
- W. H. Gray, pioneer colonist of South Australia
- William Gray (inventor), American inventor and entrepreneur, inventor of the payphone and the baseball chest protector
- William Gray (architect), American architect
- William Gray (RAF officer), First World War flying ace
- one of the founders of William Gray & Company, a British shipbuilding company, established in 1863
- Bill Gray, co-founder of Bill Gray's, an American chain of fast-food restaurants based in New York State