- Jun 1 Nelson Riddle, American Grammy Award-winning bandleader, conductor, and orchestrator for Capitol and Reprise Records (Frank Sinatra, Ella Fitzgerald, Judy Garland, Dean Martin, Rosemary Clooney, Linda Ronstadt), born in Oradell, New Jersey (d. 1985)
- Jun 2 Alexander Salkind, Polish-French film producer (Superman film franchise), born in Danzig (d. 1997)
- Jun 3 Aubrey Frank, British jazz saxophonist, and educator, born in East End of London (d. 1993)
- Jun 3 Forbes Carlile, Australian athlete and influential swimming coach, born in Melbourne (d. 2016)
- Jun 4 Bobby Wanzer, American basketball guard (NBA All-Star 1952–56; Rochester Royals) and coach (NBA All-Star Game 1957), born in Brooklyn, New York (d. 2016)
- Jun 4 Nina Vyroubova, Russian-French ballerina (Pavlova Prize, 1957), born in Gurzuf, Crimea, Ukrainian S.S.R. (d. 2007)
- Jun 5 Lancelot Pierre, West Indian cricketer (1 Test WI v England 1948, 0-28), born in Port of Spain, Trinidad (d. 1989)
- Jun 7 Richard M. Givan, American jurist (Indiana Supreme Court, 1969-94), born in Indianapolis, Indians (d. 2009)
- Jun 7 Tal Farlow, American jazz guitarist, born in Greensboro, North Carolina (d. 1998)
- Jun 8 Alexis Smith, Canadian actress and singer (The Age of Innocence; Follies), born in Penticton, British Columbia (d. 1993)
- Jun 8 Alwyn Williams, Welsh geologist and Vice-Chancellor (University of Glasgow), born in Aberdare, Wales (d. 2004)
- Jun 8 LeRoy Neiman, American painter, born in Saint Paul, Minnesota (d. 2012)
- Jun 8 Sheila Ryan, American actress (Big Fix, Mule Train, Ringside, Caged Fury), born in Topeka, Kansas (d. 1975)
Suharto (1921-2008)
Jun 8 Indonesian army officer and 2nd President of Indonesia (1967-98), born in Yogyakarta, Java
- Jun 9 Arthur Hertzberg, Polish-American Jewish rabbi and Hebrew scholar, born in Lubaczów, Poland (d. 2006)
- Jun 9 Forrest Bird, American aviator and inventor (1st respirators and ventilators), born in Stoughton, Massachusetts (d. 2015)
- Jun 10 Jean Robic, French road cyclist (Tour de France 1947; World C'ship gold cyclo-cross 1950), born in Vouziers, France (d. 1980)
Prince Philip (1921-2021)
Jun 10 Duke of Edinburgh and consort of Great Britain's Elizabeth II, born in Mon Repos, Corfu, Greece
- Jun 11 Beatrice "Fiet" van Ommeren-Samson, Suriname writer, born in Paramaribo, Suriname (d. 2012)
- Jun 11 Michael Meyer, English novelist and translator, born in London (d. 2000)
- Jun 12 Christopher Derrick, British writer, born in Hungerford, Berkshire, England (d. 2007)
- Jun 12 H. C. Artmann, Austrian writer, born in Vienna (d. 2000)
- Jun 12 James Archibald Houston, Canadian author and filmmaker (Tikta'Liktak), born in Toronto, Ontario (d. 2005)
- Jun 12 Johan Witteveen, Dutch economist, Minister of Finance (1963–65; 1967–71) and managing director of the IMF (1973-78), born in Zeist, Netherlands (d. 2019)
- Jun 18 Angelo Bertelli, American College Football Hall of Fame quarterback (Heisman Trophy 1943, National C'ship 1943, Notre Dame), born in West Springfield, Massachusetts (d. 1999)
- Jun 18 Wesley Lau, American actor (Lt Anderson-Perry Mason), born in Sheboygan, Wisconsin (d. 1984)
- Jun 19 Allan Davis, London mayor (1985-86), born in London (d. 1994)
- Jun 19 Hermanus Berserik, Dutch painter and graphic artist, born in The Hague, Netherlands (d. 2002)
- Jun 19 Howell Heflin, American politician (Sen-D-Alabama, 1979-97), born in Poulan, Georgia (d. 2005)
- Jun 19 Louis Jourdan [Louis Robert Gendre], French actor (The Paradine Case, Count Dracula, Gigi, Octopussy), born in Marseille, France (d. 2015)
- Jun 21 Frank Scott, American pianist (Lawrence Welk Show), born in Fargo, North Dakota (d. 1995)
- Jun 21 Jane Russell, American actress and leading sex symbol in 1940s-50s (The Outlaw), born in Bemidji, Minnesota (d. 2011)
- Jun 21 Jean de Broglie, French politician, born in Paris (d. 1976)
- Jun 21 Jean Kent [Joan Summerfield], British actress (Caravan, Bond Street), born in London, England (d. 2013)
- Jun 21 Joan Tetzel, American actress (Hell Below Zero, Joy in the Morning), born in New York City (d. 1977)
Judy Holliday (1921-1965)
Jun 21 American comedienne and actress (Born Yesterday, Adam's Rib), born in New York City
- Jun 22 Barbara F. Vucanovich, American politician (Rep-R-NV, 1983-1997), born in Camp Dix, New Jersey (d. 2013)
- Jun 22 Joseph Papp, American stage producer and director (Pirates of Penzance; A Chorus Line), born in Brooklyn, New York (d. 1991)
- Jun 23 Jean [Jean Benoît Guillaume Robert Antoine Louis Marie Adolphe Marc d'Aviano], Grand Duke of Luxembourg (1964-2000), born in Berg Castle, Luxembourg (d. 2019)
- Jun 25 Celia Franca [Franks], British-Canadian ballet dancer, choreographer, co-founder of National Ballet of Canada and its artistic director (1951-75), born in London, England (d. 2007)
- Jun 25 Peter Wishart, English composer, born in Crowborough, England (d. 1984)
- Jun 26 Abe Jan Koldijk, Dutch physician for the Nazi regime (Limburg's family doctor), born in Vreeland, Netherlands (d. 2015)
- Jun 26 Violette Szabo, French WWII secret agent, born in Paris, France (d. 1945)
- Jun 27 G. M. J. Veldkamp, Dutch politician (CDA), born in Breda, Netherlands (d. 1990)
- Jun 27 Muriel Pavlow, British actress (Murder, She Said, Reach for the Sky), born in Lewisham, London (d. 2019)
P. V. Narasimha Rao (1921-2004)
Jun 28 Indian politician, 9th Prime Minister of India (1991-96), born in Warangal District, India
- Jun 29 Frédéric Dard, French writer (San-Antonio), born in Bourgoin-Jallieu, Isère, France (d. 2000)
- Jun 30 Gordon Reynolds, English organist and master of the Choristers at the Chapel Royal, Hampton Court Palace, born in Hull, England (d. 1995)
About June 1921
How Old? 103 years old
Generation: Greatest Generation
Leap Year: No
Year of the Rabbit
Year of the Dragon
Year of the Snake
Year of the Horse
Year of the Goat/Sheep
Year of the Monkey