Authors Born on May 20
- Adam-Troy Castro Science Fiction Writer, 1960
- Adela Rogers St. Johns Journalist, 1894
- Al Aronowitz Journalist, 1928
- Alan Zweibel Producer, 1950
- Allan Nevins Historian, 1890
- Anthony Zerbe Actor, 1936
- Antoinette Brown Blackwell Minister, 1825
- Anton Corbijn Film Director, 1955
- Anton Zeilinger Physicist, 1945
- Arthur Lacey Golfer, 1904
- Astrid Kirchherr Artist, 1938
- Ben Goldacre Physician, 1974
- Bobby Murcer Baseball Player, 1946
- Brian Nash Musician, 1963
- Bronson Pinchot Actor, 1959
- Cadmus M. Wilcox Clergyman, 1824
- Carl Mydans Photographer, 1907
- Catharine Cox Miles Psychologist, 1890
- Catherine Gunsalus Gonzalez Author, 1934
- Charles A. Reich Scientist, 1928
- Charles Dunoyer Economist, 1786
- Cher Singer, 1946
- Chris Collins Politician, 1950
- Chris Froome Racecar Driver, 1985
- Chuck Brodsky Singer-Songwriter, 1960
- Cindy McCain Politician, 1954
- Clyde Edgerton Author, 1944
- Dan Abrams Lawyer, 1966
- Dan Wilson Musician, 1961
- Dan Yaccarino Author, 1965
- David Hedison Actor, 1927
- David Keene Political Adviser, 1945
- David Livermore Soccer Player, 1980
- David McClelland Psychologist, 1917
- David Ormsby-Gore, 5th Baron Harlech Diplomat, 1918
- David Paterson Politician, 1954
- David Wells Baseball Player, 1963
- Dean Butler Actor, 1956
- Dieter Rams Industrial Designer, 1932
- Dietrich Mateschitz Businessman, 1944