William
- William Young (1751–1821), Royal Navy officer
- William Young (1761–1847), Royal Navy officer
- William Young (architect), designer of Glasgow City Chambers
- William Young (composer) (c. 1610–1662), English composer and viola da gambist
- Sir William Young, 1st Baronet (1724–1788), Colonial Head of Dominica
- Sir William Young, 2nd Baronet (1749–1815), Colonial Head of Tobago
- William Young (judge) (born 1952), Justice of the Supreme Court of New Zealand
- William Young (Medal of Honor) (1835–?), American Civil War sailor and Medal of Honor recipient
- William Young (MP) (1863–1942), British Member of Parliament for East Perthshire, 1910–1918, and Perth, 1918–1922
- William Young (politician) (1799–1887), politician and Premier of Nova Scotia
- William Young (Tasmanian politician) (born 1912), Australian politician
- William Young (VC) (1876–1916), recipient of the Victoria Cross
- William Young (veteran) (1900–2007), last surviving member of Royal Flying Corps
- William Young (referee), soccer referee active in the 1990s
- William Albin Young (1860–1928), U.S. Representative from Virginia
- William Allen Young (born 1954), African American actor
- William D. Young, Canadian doctor whose pro bono work with children was commemorated with the Dr. William D. Young Memorial in Toronto
- William G. Young (born 1940), United States District Judge for the District of Massachusetts
- William Gould Young (1902–1980), chemistry professor and winner of the Priestley Medal
- William H. Young (labor leader) (born 1946), 17th president of National Association of Letter Carriers
- William Henry Young (1863–1942), mathematician
- William J. Young (coach), American college basketball and football coach
- William John Young (1878–1942), English biochemist
- William P. Young (born 1955), Canadian/American author
- William Robert Young (died 1933), Irish linen merchant, politician and philanthropist
- William Singleton Young (1790–1827), U.S. Representative from Kentucky
- William T. Young (1918–2004), American businessman
- William Weston Young (1776–1847), Quaker Entrepreneur, artist, and inventor
- William Young (New Zealand), member of the New Zealand Legislative Council
- William Alfred Young (1863–1911), President of the Council, and Magistrate of the British Overseas Territory of Pitcairn Island
- William Gordon Young (1904–1974), Australian physical culturist and public servant
- William Hooper Young (1871–?), convicted American murderer
- William Hugh Young (1838–1901), Confederate States Army brigadier general
- William Mackworth Young (1840–1924), member of the Indian Civil Service and Lieutenant-Governor of the Punjab
- William Ramsay Young (1894–1965), Australian soldier
- William Thomas Young (1870–1953), New Zealand seaman and trade unionist
- W.B. Young, Scottish rugby union player
Read more about this topic: William Young