Authors born in 1903
- Hans Jonas Philosopher, 1903
- Irving Stone Writer, 1903
- James Beard Chef, 1903
- Jeanette MacDonald Singer, 1903
- Jerome Cady Screenwriter, 1903
- Johannes Heesters Singer, 1903
- John D. Voelker Lawyer, 1903
- John Eccles Philosopher, 1903
- John von Neumann Mathematician, 1903
- Kai Knudsen Judge, 1903
- Katie Louchheim Diplomat, 1903
- Kenneth Clark Historian, 1903
- Konrad Lorenz Zoologist, 1903
- Lars Onsager Physicist, 1903
- Lawrence Welk Musician, 1903
- Lou Gehrig Baseball Player, 1903
- Louis Leakey Paleoanthropologist, 1903
- M. King Hubbert Geologist, 1903
- Mabel Seeley Writer, 1903
- Malcolm Muggeridge Journalist, 1903
- Marguerite Yourcenar Novelist, 1903
- Mark Rothko Painter, 1903
- Marvin Bower Theorist, 1903
- Mickey Cochrane Baseball Player, 1903
- Mike Mansfield Politician, 1903
- Morley Callaghan Lawyer, 1903
- N.J. Berrill Marine Biologist, 1903
- Nathanael West Author, 1903
- Norman Barrett Surgeon, 1903
- O. Leslie Stone General Authority, 1903
- P.J. Wolfson Writer, 1903
- Paul Horgan Author, 1903
- Paul Waner Baseball Player, 1903
- Phyllis A. Whitney Writer, 1903
- Raymond Queneau Novelist, 1903
- Red Grange American Football Player, 1903
- Sadegh Hedayat Writer, 1903
- Tony Lazzeri Athlete, 1903
- Vernon Duke Composer, 1903
- Vincente Minnelli Director, 1903