Actors/Actresses:
* William Campbell (American actor, known for "The Wild Angels", "The Warlord", and "The Night of the Living Dead")
* William Converse-Roberts (American actor, known for "The Sopranos" and "Law & Order: Special Victims Unit")
* Winona Ryder (American actress, known for "Beetlejuice", "Heathers", and "The Age of Innocence")
* William Charlton (British actor, known for "The Saint" and "The Avengers")
* William Conrad (American actor, known for "Cannon" and "Jake and the Fatman")
* William C. Fields (American comedian, known for his films "The Old Mill Pond" and "You Can't Cheat an Honest Man")
* William Compton (American actor, known for "The Green Hornet" and "The Mod Squad")
* William Castle (American horror film director, known for "House on Haunted Hill" and "Macabre")
* William Chater (British actor, known for "The Saint" and "The Avengers")
* William Converse-Roberts (American actor, known for "The Sopranos" and "Law & Order: Special Victims Unit")
* William Daniels (American actor, known for "Boy Meets World" and "St. Elsewhere")
* William Devane (American actor, known for "Knots Landing" and "24")
* William Duvall (American actor, known for "The Wire" and "Veep")
* William Fichtner (American actor, known for "Prison Break" and "The Dark Knight")
* William Forsythe (American actor, known for "Miami Vice" and "The Rock")
* William G. Robinson (American actor, known for "Little Caesar" and "The Public Enemy")
* William Hurt (American actor, known for "Broadcast News" and "Kiss of the Spider Woman")
* William Jackson Harper (American actor, known for "The Good Place" and "Midsommar")
* William Katt (American actor, known for "The Greatest American Hero" and "Carrie")
* William Kennedy (American actor, known for "The Godfather Part III" and "The Sopranos")
* William Klein (American actor, known for "The Wild One" and "The Wanderers")
* William Macy (American actor, known for "Fargo" and "Shameless")
* William Marshall (American actor, known for "Blacula" and "The Jeffersons")
* William Mathieson (American actor, known for "The Young and the Restless" and "General Hospital")
* William McNamara (American actor, known for "Sunset Beach" and "The Practice")
* William Miller (American actor, known for "The Brady Bunch" and "Happy Days")
* William Morris (American actor, known for "The Twilight Zone" and "Gunsmoke")
* William Murray (American actor, known for "Ghostbusters" and "Groundhog Day")
* William Petersen (American actor, known for "CSI: Crime Scene Investigation" and "To Live and Die in L.A.")
* William Powell (American actor, known for "The Thin Man" and "My Man Godfrey")
* William Ragsdale (American actor, known for "Nightmare on Elm Street" and "The Blob")
* William Shatner (Canadian actor, known for "Star Trek" and "Boston Legal")
* William Smith (American actor, known for "The Towering Inferno" and "Escape from New York")
* William Stevens (American actor, known for "The Man from U.N.C.L.E." and "The Partridge Family")
* William Talman (American actor, known for "Perry Mason" and "The Twilight Zone")
* William Thourlby (American actor, known for "The Greatest American Hero" and "Falcon Crest")
* William Van Zandt (American actor, known for "The Big Valley" and "The Virginian")
* William Windom (American actor, known for "Murder, She Wrote" and "The Golden Girls")
* William Withers (American actor, known for "The Exorcist" and "The Twilight Zone")
* William Zabka (American actor, known for "The Karate Kid" and "Cobra Kai")
* William Zacha (American actor, known for "The Incredible Hulk" and "Days of Our Lives")
Authors/Writers:
* William Carlos Williams (American poet and physician, known for "The Red Wheelbarrow" and "Paterson")
* William Cowper (English poet, known for "The Task" and "The Castaway")
* William Faulkner (American novelist, known for "The Sound and the Fury" and "As I Lay Dying")
* William Gibson (Canadian-American science fiction author, known for "Neuromancer" and "The Peripheral")
* William Golding (English novelist, known for "Lord of the Flies" and "The Spire")
* William Hazlitt (English writer, known for "The Spirit of the Age" and "Table Talk")
* William Hope Hodgson (English author, known for "The Boats of the "Glen Carrig"" and "The House on the Borderland")
* William James (American philosopher and psychologist, known for "The Principles of Psychology" and "The Varieties of Religious Experience")
* William Makepeace Thackeray (English novelist, known for "Vanity Fair" and "Henry Esmond")
* William Maxwell (American novelist, known for "The Chateau" and "So Long, See You Tomorrow")
* William Morris (English designer, poet, and socialist, known for "The Earthly Paradise" and "News from Nowhere")
* William S. Burroughs (American novelist, known for "Naked Lunch" and "Junky")
* William Shakespeare (English playwright and poet, known for "Hamlet", "Romeo and Juliet", and "Macbeth")
* William Styron (American novelist, known for "Sophie's Choice" and "The Confessions of Nat Turner")
* William Wordsworth (English poet, known for "Tintern Abbey" and "I Wandered Lonely as a Cloud")
Musicians:
* William Hung (American singer, known for his performance of "She Bangs" on "American Idol")
* Willie Nelson (American singer-songwriter, known for "On the Road Again" and "Crazy")
* Wilson Pickett (American singer, known for "Mustang Sally" and "In the Midnight Hour")
* William Shatner (Canadian actor, known for his "Has Been" albums)
* William Burroughs (American novelist, known for his experimental music)
* William "Bootsy" Collins (American musician, known for his work with James Brown and Parliament-Funkadelic)
* William "Smokey" Robinson (American singer-songwriter, known for his work with The Miracles and Motown Records)
* William "Bill" Withers (American singer-songwriter, known for "Ain't No Sunshine" and "Lean on Me")
Politicians/Leaders:
* William Howard Taft (27th President of the United States)
* William Henry Harrison (9th President of the United States)
* William McKinley (25th President of the United States)
* William Clinton (42nd President of the United States)
* William Pitt the Younger (Prime Minister of Great Britain)
* William Gladstone (Prime Minister of Great Britain)
* William Wilberforce (British politician and abolitionist)
* William Penn (English Quaker and founder of Pennsylvania)
Others:
* William Randolph Hearst (American newspaper publisher)
* William Shakespeare (English playwright and poet)
* William Blake (English poet, painter, and printmaker)
* William Turner (English Romantic painter)
* William Wordsworth (English Romantic poet)
* William Butler Yeats (Irish poet and playwright)
* William Wilberforce (British politician and abolitionist)
* William Henry Gates III (American business magnate, co-founder of Microsoft)
* William "Bill" Nye (American science communicator, known as "Bill Nye the Science Guy")
* William "Willie" Mays (American baseball player, known as "The Say Hey Kid")
This list is not exhaustive and there are many other famous people with the initials WC.
It is also worth noting that the popularity of certain names changes over time. Therefore, the list of famous people with initials WC may look very different in the future.