Authors born in 1921
- A. Hunter Dupree Historian, 1921
- Aaron T. Beck Psychotherapist, 1921
- Abe Vigoda Television Actor, 1921
- Ada Louise Huxtable Journalist, 1921
- Akio Morita Businessman, 1921
- Al Jaffee Cartoonist, 1921
- Alan Freed Disc Jockey, 1921
- Albert Scott Crossfield Officer, 1921
- Alex Haley Writer, 1921
- Alexander Dubcek Politician, 1921
- Alexander Schmemann Priest, 1921
- Alfred Lansing Journalist, 1921
- Alfred Renyi Mathematician, 1921
- Ali Meshkini Politician, 1921
- Alicia Alonso Ballet Dancer, 1921
- Andrei Sakharov Physicist, 1921
- Angelo Dundee Coach, 1921
- Anne Truitt Sculptor, 1921
- Arthur Hertzberg Rabbi, 1921
- Arthur Leonard Schawlow Physicist, 1921
- Arthur Marx Author, 1921
- Astor Piazzolla Musician, 1921
- Ben Bradlee Newspaper Editor, 1921
- Bernard d'Espagnat Theoretical Physicist, 1921
- Bernard Lown Doctor, 1921
- Betty Friedan Writer, 1921
- Betty Hutton Actress, 1921
- Bill Bright Evangelist, 1921
- Bill Gold Graphic Designer, 1921
- Bill Mauldin Cartoonist, 1921
- Billy Taylor Pianist, 1921
- Bob Merrill Songwriter, 1921
- Brian Moore Novelist, 1921
- Carmen Laforet Author, 1921
- Carol Channing Actress, 1921
- Carol Emshwiller Writer, 1921
- Carroll S. Walsh, Jr. Jurist, 1921
- Cary Middlecoff Golfer, 1921
- Caryl Chessman Writer, 1921
- Charles Bronson Actor, 1921