William Young
William, Will, Bill or Billy Young may refer to:
Arts and entertainment
- William Young (composer), English composer and viola da gambist
- William Young (architect), Scottish architect, designer of Glasgow City Chambers
- William Young (playwright), American playwright, writer and actor
- William Young (artist), Australian watercolor painter
- Billy Young (singer), American singer/songwriter
- William Allen Young, African American actor
- William P. Young, Canadian/American novelist
- Will Young, English actor and singer/songwriter
- Bill Young, American comedian
Business and industry
- William D. Young (engineer), chemical engineer and pharmaceutical industry executive
- W. J. Young, American industrialist, founder of the W.J. Young Company
- William John Young (pastoralist), Australian company chief executive and station manager
- Tom Young (trade unionist), New Zealand seaman and trade unionist
- William T. Young, American businessman
- William H. Young (labor leader), American labor leader, president of National Association of Letter Carriers
Military
- William Young (Royal Navy officer, born 1751), British Royal Navy officer
- William Young (Royal Navy officer, born 1761), British Royal Navy officer
- William Young (Medal of Honor), American Civil War sailor and Medal of Honor recipient
- William Hugh Young, Confederate States Army brigadier general
- William Young (VC), Scottish recipient of the Victoria Cross
- William Ramsay Young, Australian soldier
- William Young (veteran), British military veteran, last surviving member of Royal Flying Corps
Politics and law
Australia
- William Young (Australian politician), New South Wales politician
- William Young (Tasmanian politician), Australian politician
- Bill Young (Tasmanian politician), Australian politician, member of the Tasmanian House of Assembly
- Bill Young (Western Australian politician), Western Australian politician
New Zealand
- Bill Young (New Zealand politician), New Zealand politician
- William Young (New Zealand politician), New Zealand politician, member of the Legislative Council
- William Young (judge), Justice of the Supreme Court of New Zealand
UK
- Sir William Young, 1st Baronet, of North Dean, British politician, colonial Governor of Dominica
- Sir William Young, 2nd Baronet, British politician, colonial Governor of Tobago
- Sir William Young, 4th Baronet, British politician
- William Tanner Young, British diplomat
- Sir William Young, 1st Baronet, of Bailieborough Castle, British baronet of County Cavan, Ireland
- William Robert Young, Irish linen merchant, politician and philanthropist
- William Young (Scottish politician), Scottish Member of Parliament for East Perthshire and Perth
US
- William Singleton Young, US Representative from Kentucky
- William Young (Wisconsin politician), American politician
- William Henry Young (politician), American politician in Wisconsin
- William Albin Young, US Representative from Virginia
- Bill Young (Florida politician), United States Representative from Florida
- William G. Young, United States District Judge for the District of Massachusetts
- Bill Young (Nevada politician), American politician and sheriff of Clark County, Nevada
Elsewhere
- William Young (Nova Scotia politician), Canadian politician, Premier of Nova Scotia
- William Mackworth Young, member of the Indian Civil Service and Lieutenant-Governor of the Punjab
- William Douglas Young, Governor of the Falkland Islands
- William Alfred Young, President of the Council, and Magistrate of the British Overseas Territory of Pitcairn Island
Science and medicine
- William Henry Young, English mathematician
- William John Young (biochemist), English biochemist
- William Alexander Young, Scottish doctor and surgeon
- William Gould Young, American physical organic chemist, winner of the Priestley Medal
- William D. Young (doctor), Canadian doctor whose work was commemorated with the Dr. William D. Young Memorial fountain in Toronto
- William R. Young (oceanographer), Australian-American oceanographer
Sports
American football
- Billy Young (American football), American football player for the Green Bay Packers
- Bill Young (American football lineman), American NFL football player for the Washington Redskins
- Bill Young (American football coach), American college football defensive coordinator
Association football (soccer)
- William Young (footballer, born 1884), English footballer
- William Young (footballer, born 1892), English footballer
- Billy Young (footballer), Irish soccer player and manager
- Bill Young (soccer), Canadian international soccer player
Cricket
- William Young (English cricketer), English cricketer
- William Young (Scottish cricketer), Scottish cricketer
- Billy Young (cricketer), English cricketer
- Will Young (cricketer), New Zealand cricketer
Australian rules football
- Bill Young (footballer, born 1886), Australian rules footballer for St Kilda
- Bill Young (footballer, born 1931), Australian rules footballer
- Will Young (Australian footballer), Australian rules footballer
Other sports
- William J. Young (coach), American college basketball and football coach
- William Pennington Young, American Negro league baseball player
- Bill Young (cycling), Australian cycling administrator
- W. B. Young, Scottish rugby union player
- Bill Young (ice hockey), Canadian ice hockey player
- Bill Young (rugby union), Australian rugby union footballer
Others
- William Weston Young, British Quaker entrepreneur, artist, and inventor
- William C. Young,, American minister and educator, eighth president of Centre College
- William Hooper Young, convicted American murderer
- William Gordon Young, Australian physical culturist and public servant
- Bill Young (CIA officer), American CIA officer largely responsible for the Laotian Civil War
- Leslie Isben Rogge, American bank robber
- William R. Young, Canadian civil servant