Authors Born on April 12
- Adam Parfrey Journalist, 1957
- Alan Ayckbourn Playwright, 1939
- Alex Dow Engineer, 1862
- Alexander Ostrovsky Novelist, 1823
- Alicia Coppola Actress, 1968
- Amr Waked Actor, 1973
- Amy Ray Singer-Songwriter, 1964
- Andrew Davidson Writer, 1969
- Andy Garcia Actor, 1056
- Ann Miller Dancer, 1923
- Anna Kamienska Poet, 1920
- Annie Gottlieb Writer, 1946
- Anton Siluanov Politician, 1963
- Armin Mohler Publicist, 1920
- Art Alexakis 1962
- Barton Seaver Chef, 1979
- Beverly Cleary Writer, 1916
- Bobby Moore Football Player, 1941
- Brendon Urie Singer, 1987
- Brian McFadden Singer-Songwriter, 1980
- Brooklyn Decker Model, 1987
- Bryan Magee Philosopher, 1930
- Carol Emshwiller Writer, 1921
- Carol Ross Barney Architect, 1949
- Chad le Clos Swimmer, 1992
- Charles Gavan Duffy Journalist, 1816
- Charles Ludlam Actor, 1943
- Charley Lau Baseball Manager, 1933
- Claire Danes Actress, 1979
- Claud Cockburn Journalist, 1904
- Dally Messenger Rugby Union Player, 1883
- Damian Hopley Rugby Union Player, 1970
- Dan Lauria Actor, 1947
- David Cassidy Actor, 1950
- David L. Beck President, 1953
- David Letterman Comedian, 1947
- Dennis Banks Activist, 1937
- Donald G. Mitchell Essayist, 1822
- Easton Corbin Singer, 1982
- Ed O'Neill Television Actor, 1946