Authors Born on September 21
- Doug Baldwin American Football Player, 1988
- E. E. Evans-Pritchard Anthropologist, 1902
- Eamonn Ceannt Activist, 1881
- Edmund Gosse Writer, 1849
- Edouard Glissant Writer, 1928
- Elaine Davis Athlete, 1976
- Ethel Percy Andrus Activist, 1884
- Etta Semple Activist, 1854
- Faith Hill Singer, 1967
- Fannie Flagg Actress, 1944
- Faris Badwan Musician, 1986
- Francois Cluzet Actor, 1955
- Hamilton Jordan Politician, 1944
- James Woolsey Lawyer, 1941
- Jane Rosenthal Film Producer, 1956
- Jason Derulo Singer, 1989
- Jerry Bruckheimer Film Producer, 1943
- Jessica St. Clair Actress, 1976
- John Kluge Entrepreneur, 1914
- Joseph Mazzello Actor, 1983
- Kareena Kapoor Khan Actress, 1980
- Kate Stoltzfus Model, 1991
- Katie Cleary Model, 1981
- Kay Ryan Poet, 1945
- Kevin Rudd Politician, 1957
- Kwame Nkrumah Statesman, 1909
- Kwon Min-ah Singer, 1993
- Lance Morrow Journalist, 1939
- Larry Hagman Actor, 1931
- Leonard Cohen Singer-Songwriter, 1934
- Liam Gallagher Singer, 1972
- Lindsey Stirling Violinist, 1986
- Luciano Pereyra Musician, 1981
- Luke Wilson Actor, 1971
- Maggie Grace Actress, 1983
- Mark Levin Lawyer, 1957
- Marsha Norman Playwright, 1947
- Michael Hirst Screenwriter, 1952
- Mike Wilson Business Executive, 1970
- Nancy Travis Film Actor, 1961