- D. Train – James Williams
- Chuck D – Carlton Ridenhour
- Master D – Deeder Saidullah Zaman
- Mike D – Michael Diamond
- D-Flame – Daniel Kretschmar
- D.H. Peligro - Darren Henley
- Daboy (a.k.a. Rudy Fernandez) – Rodolfo Valentino Padilla Fernandez
- Yaya DaCosta – Camara DaCosta Johnson
- Daddy Yankee – Ramón Luis Ayala Rodríguez
- Daffney – Shannon Claire Spruill
- Willem Dafoe – William J. Dafoe
- Dagmar (American television personality) – Virginia Ruth Egnor
- Lil Dagover – Marie Antonia Siegelinde Martha Seubert
- Tessa Dahl – Chantal Sophia Dahl
- Khosrow Daivari – Shawn Daivari
- Alan Dale (singer) – Aldo Sigismondi
- Grover Dale – Grover Robert Aitken
- Jim Dale – James Smith
- Cass Daley – Catherine Dailey
- Marcel Dalio – Israel Moshe Blauschild
- Bobby Dall – Robert Harry Kuykendall
- Béatrice Dalle – Béatrice Cabarrou
- Brody Dalle – Bree Leslie Pucilowski
- Toti Dal Monte – Antonietta Meneghel
- Abby Dalton – Marlene Wasden
- Mr. Dalvin – Dalvin DeGrate
- Jacques D'Amboise (aka Jacques d'Amboise) – Joseph Jacques Ahearn
- Damia – Marie-Louise Damien
- Michael Damian – Michael Damian Weir
- Lili Damita – Liliane Marie Madeleine Carré
- Jerry Dammers – Gerald Dankin
- Vic Damone – Vito Farinola
- Dana – Rosemary Brown
- Bill Dana – William Szathmary
- Viola Dana – Virginia Flugrath
- Karl Dane – Rasmus Karl Therkelsen Gottlieb
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- Dottie Danger – Belinda Jo Carlisle
- D'Angelo – Michael Eugene Archer
- Rodney Dangerfield – Jacob Cohen
- Danger Mouse – Brian Burton
- Henry Daniell – Charles Henry Daniel
- Bebe Daniels – Phyllis Virginia Daniels
- Mickey Daniels – Richard Daniels, Jr.
- Nicholas Dante – Conrado Morales
- Cesare Danova – Cesare Deitinger
- Dingdong Dantes – Jose Sixto Gonzalez Dantes, III
- Helmut Dantine – Helmut Guttman
- Ray Danton (a.k.a. Raymond Danton) – Raymond Kaplan
- Tony Danza – Anthony Iadanza
- Glenn Danzig – Glenn Allen Anzalone
- John D'Aquino – John Aquino
- Olu Dara – Charles Jones III
- Terence Trent D'Arby – Terence Trent Howard
- Kim Darby – Deborah Zerby
- Denise Darcel – Denise Billecard
- James D'Arcy – Simon D'Arcy
- Roy D'Arcy – Roy Giusti
- Sheila Darcy – Rebecca Benedict Heffener
- Zena Dare – Florence Hariette Zena Dones
- Bobby Darin – Walden Robert Cassotto
- Angel Dark – Viktoria Knezova
- Danny Dark – Daniel Melville Croskery
- Mona Darkfeather – Josephine Marie Workman
- Candy Darling – James Lawrence Slattery
- Jean Darling – Dorothy Jean LeVake
- Joan Darling – Joan Kugell
- Linda Darnell – Monetta Eloyse Darnell
- Dimebag Darrell – Darrell Lance Abbott
- James Darren – James William Ercolani
- Racquel Darrian – Kelly Jackson
- Sonia Darrin – Sonia Paskowitz
- Frankie Darro – Frank Johnson, Jr.
- Henry Darrow – Enrique Tomas Delgado, Jr.
- Paul Darrow – Paul Birkby
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- Tony Darrow – Anthony Borgese
- Bella Darvi – Bayla Wegier
- Jane Darwell – Patti Woodard
- Krishna Das (singer) – Jeffrey Kagel
- Dascha – Dagmar Kozelková
- Bodjie Dasig – Darius Delphin Dasig
- Howard Da Silva – Howard Silverblatt
- Sahara Davenport – Antoine Ashley
- Randy David – Randy David Goldstein
- Thayer David – David Thayer Hersey
- Marion Davies – Marion Cecelia Douras
- Reine Davies – Irene Douras
- Billie Davis – Carol Hedges
- Brad Davis – Robert Creel Davis
- Gail Davis – Betty Jeanne Grayson
- Jim Davis – Marlin Davis
- Joan Davis – Madonna Josephine Davis
- Lisa Davis (akas: Shirley Ann Davis, Lisa Davis Waltz-White, Lisa White) – Cherry Ann Davis
- Nancy Davis – Anne Frances Robbins (aka: Mrs. Nancy Reagan)
- Ossie Davis – Raiford Chatman Davis
- Patti Davis – Patricia Ann Reagan
- Skeeter Davis – Mary Frances Penick
- Peter Davison – Peter Moffett
- Bobby Davro – Robert Nankeville
- Marjorie Daw (a.k.a. Margery Daw) – Margaret House
- Marpessa Dawn – Gypsy Marpessa Dawn Menor
- Richard Dawson – Colin Emm
- Shane Dawson – Shane Yaw
- Smoky Dawson – Herbert Henry Dawson
- Alice Day – Jacquiline Alice Newlin
- Bobby Day – Robert J. Byrd
- Dennis Day – Owen Patrick Eugene McNulty
- Doris Day – Doris Mary Ann Kappelhoff
- Inaya Day – Inaya Davis
- Laraine Day – La Raine Johnson
- Marceline Day – Marceline Newlin
- Taylor Dayne – Lesley Wunderman
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