Authors Born on April 1
- Abdul Qadeer Khan Physicist, 1936
- Abraham Maslow Psychologist, 1908
- Agnes Repplier Essayist, 1855
- Alan Perlis Computer Scientist, 1922
- Alberta Hunter Musician, 1895
- Alexander Stubb Politician, 1968
- Ali MacGraw Actress, 1939
- Ananda Krishnan Businessman, 1938
- Andreas Deja Animator, 1957
- Anne McCaffrey Writer, 1926
- Annette O'Toole Actor, 1952
- Arrigo Sacchi Football Manager, 1946
- Arthur W. Pink Teacher, 1886
- Asa Butterfield Actor, 1997
- Barry Sonnenfeld Film Director, 1953
- Bernard Stiegler Philosopher, 1952
- Bijou Phillips Actress, 1980
- Bo Schembechler Football Player, 1929
- Bob Ufer Athlete, 1920
- Bonnie Baker Singer, 1917
- Boots Riley Rapper, 1971
- Brad Meltzer Novelist, 1970
- Brendan Grace Comedian, 1951
- Carol White Actress, 1943
- Charles de Saint-Evremond Soldier, 1613
- Charles de Saint-Évremond Soldier, 1613
- Chris Brogan Author, 1970
- Clarence Seedorf Football Player, 1976
- Claude Cohen-Tannoudji Physician, 1933
- Conrad Grober Priest, 1872
- Craig Kelly Snowboarder, 1966
- Dan Flavin Artist, 1933
- Darren McCarty Ice Hockey Player, 1972
- Dave Snowden Consultant, 1954
- David Gower Cricketer, 1957
- David Oyelowo Actor, 1976
- Debbie Reynolds Actress, 1932
- Edgar Wallace Writer, 1875
- Edmond Rostand Playwright, 1868
- Ella McMahon Singer, 1994