Authors born in 1921
- Gene Roddenberry Screenwriter, 1921
- Gene Saks Film Director, 1921
- Geoffrey Elton Politician, 1921
- Geoffrey T. Bull Author, 1921
- Geoffrey Wilkinson Chemist, 1921
- George Mackay Brown Poet, 1921
- George Roy Hill Film Director, 1921
- Georges Brassens Singer-Songwriter, 1921
- Hal David Composer, 1921
- Hal Newhouser Baseball Player, 1921
- Hannah Szenes Poet, 1921
- Harold Nicholas Dancer, 1921
- Harry Carey, Jr. Actor, 1921
- Harvey Ball Artist, 1921
- Iris Apfel Architect, 1921
- J. James Exon Politician, 1921
- Jack Roy Actor, 1921
- Jack Steinberger Physicist, 1921
- Jack Valenti Civil Servant, 1921
- James Clavell Novelist, 1921
- James Houston Artist, 1921
- James Jones Novelist, 1921
- Jane Russell Actress, 1921
- Jean Shepherd Writer, 1921
- Jerome Hines Singer, 1921
- Jesse Helms Politician, 1921
- Jim Garrison Attorney At Law, 1921
- Jim McKay Journalist, 1921
- Joan Greenwood Actress, 1921
- John Agar Actor, 1921
- John Doar Lawyer, 1921
- John Glenn Aviator, 1921
- John Money Psychologist, 1921
- John Rawls Philosopher, 1921
- John Russell Actor, 1921
- Johnny Otis Singer, 1921
- Joseph Beuys Performance Artist, 1921
- Judith Leiber Fashion Designer, 1921
- Judy Holliday Actress, 1921
- K. R. Narayanan President, 1921