William Marshall
William Marshall, William Marshal, or Bill Marshall may refer to:
Politicians, noblemen and military leaders
- William Marshal, 1st Earl of Pembroke, Anglo Norman nobleman and crusader
- William Marshal, 2nd Earl of Pembroke, English nobleman, son of the above
- William Marshal, 1st Baron Marshal, slain at the Battle of Bannockburn
- William Marshall (1796–1872), British politician
- William Marshall (Australian politician), Western Australia MLA
- William Marshall (British Army officer, born 1865),, British general
- William Marshall (British Army officer, born 1889), , British captain
- William Louis Marshall, scion of the family of Chief Justice John Marshall
- William Rainey Marshall, American politician; Republican governor of Minnesota, 1866–1870
- William Thomas Marshall, English recipient of the Victoria Cross
- William Marshall (Canadian politician), lawyer, judge and politician in Newfoundland
- Bill Marshall (lawyer), Solicitor General of Ohio
- Billy Marshall, King of the Gypsies
Arts and entertainment
- William Marshall (actor), African American actor in Blacula
- William Marshall (bandleader), American singer and bandleader
- William Marshall (cinematographer), American film technician
- William Marshall (illustrator), English engraver and illustrator
- William Marshall (potter), English studio potter
- William Marshall (Scottish composer), Scottish composer
- Billy Marshall Stoneking, American-Australian poet, playwright, filmmaker, and teacher
- William Calder Marshall, Scottish sculptor
- William Leonard Marshall, Australian author of mystery novels
- Bill Marshall (producer), Scottish-born Canadian filmmaker, film and theater producer
- William Forbes Marshall, Ulster poet and Presbyterian minister
Sports
- William Marshall (tennis), English tennis player and architect
- William Marshall (rugby), Scottish rugby player
- William Marshall (field hockey), Scottish field hockey player
- William C. Marshall, Barbadian champion racehorse trainer
- William Marshall (Australian footballer), Australian rules footballer in the VFL
- Doc Marshall (catcher), American baseball player
- Bill Marshall (American football), founder and long-time head coach of the Detroit Heralds of the early National Football League
- Bill Marshall (baseball), American Major League Baseball player
- Billy Marshall, Northern Irish footballer
- Harry Marshall (English footballer), English footballer
- Billy Marshall (footballer, born 1898), English professional footballer
- Bill Marshall (Australian footballer), Australian rules footballer
- Willie Marshall (ice hockey), Canadian ice hockey player
- Willie Marshall (Scottish footballer), Scottish footballer
Others
- William Marshall (agricultural writer), English writer and critic on agricultural and horticultural topics
- William Marshall (translator), client of Thomas Cromwell, translator of Marsiglio of Padua's Defensor Pacis
- William Marshall (teacher), New Zealand teacher and clergyman
- William Crosby Marshall, American mechanical engineer and author