Authors Born on March 15
- Joe Hahn Musician, 1977
- Jordan Feliz Musician, 1989
- Judd Hirsch Actor, 1935
- Kellan Lutz Actor, 1985
- Kim Raver Actress, 1969
- Lady Gregory Dramatist, 1852
- Lawrence Tierney Actor, 1919
- Liberty Hyde Bailey Horticulturist, 1858
- Lil Dicky Rapper, 1988
- Lily Koppel Writer, 1981
- Lord Melbourne Statesman, 1779
- Mark Hoppus Musician, 1972
- Mark McGrath Singer-Songwriter, 1968
- Mike Love Singer, 1941
- Mike Tomlin American Football Manager, 1972
- Monica Dolan Actress, 1969
- Nabil Elaraby Diplomat, 1935
- Naka Drotske Rugby Union Player, 1971
- Naoko Takeuchi Writer, 1967
- Paul Heyse Translator, 1830
- Paul Pogba Athlete, 1993
- Penny Lancaster Model, 1971
- Phil Lesh Musician, 1940
- Philip Green Businessman, 1952
- Renny Harlin Film Director, 1959
- Ry Cooder Musician, 1947
- Sabrina Salerno Singer-Songwriter, 1968
- Sananda Maitreya Singer, 1962
- Sly Stone Singer, 1943
- Susan Stewart Poet, 1952
- T. J. Rodgers Scientist, 1948
- Takeru Kobayashi Celebrity, 1978
- Uday Kotak Businessman, 1959
- Wallace Pratt Geologist, 1885
- will.i.am Rapper, 1975
- William Bagley Educator, 1874
- William Lamb, 2nd Viscount Melbourne Statesman, 1779
- Wolcott Gibbs Editor, 1902
- Young Buck Musician, 1981