Authors Born on May 21
- Al Franken Comedian, 1951
- Albrecht Durer Artist, 1471
- Alexander Dale Oen Swimmer, 1985
- Alexander Pope Poet, 1688
- Amy Waldman Author, 1969
- Andrei Sakharov Physicist, 1921
- Anita Ratnam Dancer, 1954
- Anna Brackett Philosopher, 1836
- Anne Graham Lotz Clergyman, 1948
- Ara Parseghian Football Player, 1923
- Armand Borel Mathematician, 1923
- Armand Hammer Businessman, 1898
- Arno Singer, 1949
- Arsi Nami Actor, 1984
- Arthur C. Brooks Scientist, 1964
- Barbara DeGenevieve Artist, 1947
- Bengt I. Samuelsson Biochemist, 1934
- Bobby Cox Baseball Player, 1941
- Bruce Jackson Scholar, 1936
- Charles Albert Gobat Lawyer, 1843
- Charles Wadsworth Pianist, 1929
- Christian Audigier Fashion Designer, 1958
- Cody Johnson Singer-Songwriter, 1987
- Da'Vine Joy Randolph Actress, 1986
- Dan Wakefield Writer, 1932
- David Hestenes Physicist, 1933
- David Hunt Politician, 1942
- David Smith Botanist, 1930
- Denis MacShane Politician, 1948
- Elizabeth Fry Clergyman, 1780
- Emile Verhaeren Poet, 1855
- Fairuza Balk Actress, 1974
- Gabi Hollows 1953
- Gotye Multi-Instrumentalist, 1980
- Haleh Afshar Professor, 1944
- Hans Berger Scientist, 1873
- Harold Robbins Writer, 1916
- Hit-Boy Record Producer, 1987
- Jeffrey Kluger Writer, 1954
- Jeffrey Toobin Lawyer, 1960