Authors Born on April 23
- Marge Kennedy Novelist, 1896
- Matthew Underwood Actor, 1990
- Maurice Druon Novelist, 1918
- Max Planck Theoretical Physicist, 1858
- Melina Kanakaredes Actress, 1967
- Michael Moore Film Maker, 1954
- Michael Pryor Writer, 1957
- Narada Michael Walden Singer, 1952
- Neville Brody Designer, 1957
- Ngaio Marsh Writer, 1895
- Rachel Skarsten Actress, 1985
- Ray Tomlinson Programmer, 1941
- Roy Orbison Singer, 1936
- Ryan Sinn Bassist, 1979
- S. Janaki Singer, 1938
- Sandra Dee Actress, 1942
- Stephen Douglas Politician, 1813
- Steve Clark Musician, 1960
- Syd Singer-Songwriter, 1992
- Taio Cruz Singer, 1985
- Thomas Nelson Page Lawyer, 1853
- Valerie Bertinelli Actress, 1960
- Warren Spahn Baseball Player, 1921
- William Aitken Pathologist, 1825
- William Ian Beardmore Beveridge Pathologist, 1908
- Willie Herenton Politician, 1940
- Yannis Philippakis Singer, 1986