Authors Born on March 31
- Adam Green Director, 1975
- Al Gore Politician, 1948
- Alaya Dawn Johnson Writer, 1982
- Albert Serra Film Maker, 1975
- Alejandro Amenabar Film Director, 1972
- Alex Kotlowitz Journalist, 1955
- Alexandra Kollontai Diplomat, 1872
- Anandi Gopal Joshi Physician, 1865
- Angus King Politician, 1944
- Angus McKinnon Young Guitarist, 1955
- Angus Young Guitarist, 1955
- Antonia White Author, 1899
- Art Shay Photographer, 1922
- Arthur D. Levinson Businessman, 1950
- Bang Yong-guk Rapper, 1990
- Barney Frank Politician, 1940
- Bob Myers Sports Agent, 1975
- Boris Brasol Lawyer, 1885
- Brian Tyree Henry Actor, 1982
- Carl Ally Advertising Executive, 1924
- Carlo Rubbia Physicist, 1934
- Catherine Bertini Educator, 1950
- Cesar Chavez Activist, 1927
- Charles Guggenheim Film Director, 1924
- Charles Seymour Robinson Pastor, 1829
- Chien-Ming Wang Baseball Player, 1980
- Chloe Zhao Film Director, 1982
- Christian Scott Trumpeter, 1983
- Christopher Walken Actor, 1943
- Claude A. Swanson Politician, 1862
- Conrad Sewell Singer-Songwriter, 1988
- Corey Hart Singer, 1962
- Craig McCracken Director, 1971
- Dan Graham Artist, 1942
- David Steel Politician, 1938
- Dawn Ostroff Chief Executive Officer, 1960
- Deborah Cavendish, Duchess of Devonshire Memoirist, 1920
- Dennis Cardoza Politician, 1959
- Ed Catmull Businessman, 1945
- Edward Fitzgerald Poet, 1809