Authors born in 1903
- A. L. Rowse Author, 1903
- Aaron Siskind Photographer, 1903
- Abul A'la Maududi Politician, 1903
- Adolph Gottlieb Painter, 1903
- Al Hirschfeld Caricaturist, 1903
- Alan Paton Writer, 1903
- Alan Villiers Author, 1903
- Alec Douglas-Home Politician, 1903
- Alice Herz-Sommer Pianist, 1903
- Allan A. Lamport Politician, 1903
- Alonzo Church Mathematician, 1903
- Alvin R. Dyer Apostol, 1903
- Amado V. Hernandez Writer, 1903
- Amy Johnson Pilot, 1903
- Anais Nin Diarist, 1903
- Andrei Grechko General Authority, 1903
- Anne Revere Actress, 1903
- Arnold Gingrich Writer, 1903
- Arpad Elo Chess Player, 1903
- Arthur Godfrey Broadcaster, 1903
- Ava Helen Pauling Human Rights Activist, 1903
- Bakht Singh Evangelist, 1903
- Barbara Hepworth Sculptor, 1903
- Beatrix Lehmann Actress, 1903
- Ben Robertson Author, 1903
- Benjamin Spock Pediatrician, 1903
- Bertrand de Jouvenel Philosopher, 1903
- Big Bill Broonzy Singer, 1903
- Billy Baldwin Designer, 1903
- Bing Crosby Singer, 1903
- Bix Beiderbecke Pianist, 1903
- Boake Carter Journalist, 1903
- Bob Hope Comedian, 1903
- Brewster Ghiselin Poet, 1903
- Brien McMahon Lawyer, 1903
- Bruno Bettelheim Psychologist, 1903
- C. D. Darlington Geneticist, 1903
- C. F. Powell Physicist, 1903
- Carl Hubbell Baseball Player, 1903
- Carl Rakosi Poet, 1903