- will.i.am – William Adam James Jr.
- WC (rapper) – William L. Calhoun, Jr.
- Andrew W.K. – Andrew Wilkes-Krier
- Michael Wager – Emanuel Weisgal
- Luigi Waites – Lewis Waites
- Christopher Walken – Ronald Walken
- Benjamin Walker – Benjamin Walker Davis
- Betty Walker – Edith Seeman
- Clint Walker – Norman Eugene Walker
- Johnny Walker – Badruddin Jamaluddin Kazi
- Junior Walker – Autry DeWalt, Jr.
- Nancy Walker – Anna Myrtle Smoyer
- Scott Walker (singer) – Noel Scott Engel
- T-Bone Walker – Aaron Thibeaux Walker
- Tippy Walker – Elizabeth Tipton Walker
- Beryl Wallace – Beryl Heischuber
- Dee Wallace – Deanna Bowers
- Jean Wallace – Jean Walasek
- Fats Waller – Thomas Wright Waller
- Dylan Walsh – Charles Hunter Walsh
- Ray Walston – Herman Walston
- Bruno Walter – Bruno Schlesinger
- Waluigi – Clarence Wallace Junesville
- Wando (singer) – Wanderley Alves dos Reis
- Walter Wanger – Walter Feuchtwanger
- Burt Ward – Bert John Gervis Jr.
- Fannie Ward – Fannie Buchanan
- Lalla Ward – Sarah Ward
- Jack Warden – John Lebzelter
- Irene Ware – Irene Catherine Ahlberg
- Koko B. Ware – James Ware
- Andy Warhol – Andrew Warhola
- Wario – Gerard Daniel Junesville, later Gerard Dashiell Junesville
- H. B. Warner – Henry Byron Charles Stewart Warner-Lickford
- Jack Warner (English actor) – Horace John Waters
- Rusty Warren – Ilene Goldman
- Dee Dee Warwick – Delia Mae Warrick
- Don Was – Donald Fagenson
- Washboard Sam – Robert Brown
- Dinah Washington – Ruth Jones
- Gedde Watanabe – Gary Watanabe
- Muddy Waters – McKinley Morganfield
- Roger Waters – George Waters
- Wavy Gravy – Hugh Nanton Romney
- Wax (singer) – Cho Hye-ri
- Fee Waybill – John Waldo Waybill
- John Wayne – Marion Robert Morrison (later known as Marion Mitchell Morrison)
- Johnny Wayne – Louis Weingarten
- Lil Wayne – Dwayne Michael Carter, Jr.
- Sigourney Weaver – Susan Weaver
- Chick Webb - William Henry Webb
- Clifton Webb – Webb Parmalee Hollenbeck
- Jack Webb – John Randolph Webb
- Wednesday 13 – Joseph Poole
- Ted Weems – Wilfred Theodore Wemyes
- Dean Ween – Mickey Melchiondo
- Gene Ween – Aaron Freeman
- Johnny Weissmuller – Johann Peter Weißmüller
- Raquel Welch – Jo Raquel Tejada
- Tuesday Weld – Susan Ker Weld
- Joan Weldon – Joan Louise Welton
|
- Paul Weller – John William Weller
- Kitty Wells – Muriel Deason
- Lina Wertmüller – Arcangela Felice Assunta Wertmüller von Elgg Español von Braueich
- Paul Wesley – Paul Wasilewski
- Adam West – William West Anderson
- Dottie West – Dorothy Marie Marsh
- Mae West – Mary Jane West
- Shane West – Shannon Bruce Snaith
- WestBam – Maximillian Lenz
- Helen Westley – Henrietta Remsen Meserole Manney
- Ellen Weston – Ellen Weinstein
- Jack Weston – Jack Weinstein
- Kim Weston – Agatha Natalie Weston
- Paul Weston – Paul Wetstein
- Riley Weston – Kimberlee Kramer
- Peetie Wheatstraw – William Bunch
- Maggie Wheeler (briefly known as Maggie Jakobson) – Margaret Emily Jakobson
- Jack White – John Gillis
- Jesse White – Jesse Marc Weidenfeld
- Jules White – Jules Weiss
- Snowy White – Terence Charles White
- Vanna White – Vanna Marie Rosich
- Slim Whitman – Ottis Dewey Whitman
- Joan Whitney – Zoe Parenteau
- Mary Wickes – Mary Isabelle Wickenhauser
- Tudi Wiggins – Mary Susan Wiggins
- Mary Wigman – Karoline Sophie Marie Wiegmann
- Kim Wilde – Kim Smith
- Marty Wilde – Reginald Leonard Smith
- Olivia Wilde – Olivia Jane Cockburn
- Billy Wilder – Samuel Wilder
- Gene Wilder – Jerome Silberman
- Warren William – Warren William Krech
- Adam Williams – Adam Berg
- Anson Williams – Anson William Heimlich
- Bill Williams (actor) – Herman August Wilhelm Katt
- Cara Williams – Bernice Kamiat
- Cookie Williams – Jessie Wanda Crupe
- Cootie Williams – Charles Melvin Williams
- Doc Williams (singer) – Andrew John Smik, Jr.
- Guy Williams – Armando Joseph Catalano
- Hank Williams – Hiram King Williams
- Mary Lou Williams – Mary Elfrieda Scruggs
- Niecy Williams – June Deniece Chandler
- Roger Williams – Louis Weertz
- Sonny Boy Williamson – John Lee Curtis Williamson
- Sunny Boy Williamson (Sunny Boy Williamson II) – Aleck Ford (also known as Aleck Miller, Rice Miller, Willie Williamson, Willie Miller, Little Boy Blue, The Goat and Footsie)
- Anneke Wills – Anna Katarina Willys
- Mark Wills – Daryl Mark Williams
- Eva Wilma – Eva Wilma Rilfles
|
- Trey Wilson – Donald Yearnsley Wilson, III
- Paul Winchell – Pinkus Wilchinski
- Walter Winchell – Walter Winschel
- Beatrice Winde – Beatrice Lucille Williams
- Barbara Windsor – Barbara Ann Deeks
- Claire Windsor – Clara Viola Cronk
- Marie Windsor – Emily Marie Bertelson
- Toby Wing – Martha Virginia Wing
- Judy Winter – Beate Richard
- Shelley Winters – Shirley Schrift
- Estelle Winwood – Estelle Goodwin
- Nicky Wire – Nicholas Jones
- Chubby Wise – Robert Russell Wise
- Ernie Wise – Ernest Wiseman
- Herbert Wise – Herbert Weisz
- Mac Wiseman – Malcolm Wiseman
- Wish Bone – Charles Scruggs
- Wisin & Yandel – Llandel Veguilla Malavé & Juan Luis Morera Luna
- Jah Wobble – John Wardle
- Karl Wolf – Carl Abou Samah
- Peter Wolf – Peter Blankfield
- Donald Wolfit – Donald Woolfitt
- Wolfman Jack – Robert Smith
- Stevie Wonder – Steveland Hardaway Judkins (originally); later known as Steveland Hardaway Morris
- Anna May Wong – Wong Liu Tsong
- Casanova Wong – Kim Yong-ho
- Faye Wong (also known as Shirley Wong) – Xia Lin
- Brenton Wood – Alfred Smith
- Judith Wood – Helen Johnson
- Lana Wood – Svetlana Nikolaevna Zakharenko
- Natalie Wood – Natalia Nikolaevna Zakharenko, later adopted the surname Gurdin
- Chan Woods (a.k.a. Chan Parker) – Beverly Dolores Berg
- Donald Woods – Ralph Zink
- Ilene Woods – Jacqueline Ruth Woods
- Ali-Ollie Woodson – Ollie Creggett
- Monty Woolley – Edgar Montillion Woolley
- Hawksley Workman – Ryan Corrigan
- Irene Worth – Harriet Elizabeth Abrams
- Link Wray – Fred Lincoln Wray, Jr.
- Wreckless Eric – Eric Goulden
- Dale Wright – Harlan Dale Riff
- Keke Wyatt – Ketara Wyatt
- Gretchen Wyler – Gretchen Patricia Wienecke
- Bill Wyman – William George Perks
- Jane Wyman (a.k.a. Jane Durrell, briefly) – Sarah Jane Mayfield (later known as Sarah Jane Fulks)
- Margaret Wycherly – Margaret De Wolfe
- Victoria Wyndham – Victoria Camargo
- Tammy Wynette – Virginia Wynette Pugh
- Ed Wynn – Isaiah Edwin Leopold
- May Wynn – Donna Lee Hickey
- Philippé Wynne – Phillip Walker
- Dana Wynter – Dagmar Winter
- Diana Wynyard – Dorothy Isobel Cox
|