Authors Born on January 9
- Kate Middleton Royalty, 1982
- Keith Gessen Novelist, 1975
- Kerris Dorsey Actress, 1998
- Lady Randolph Churchill Socialite, 1854
- Lara Fabian Singer, 1970
- Lascelles Abercrombie Poet, 1881
- Lee Kun-hee Businessman, 1942
- Lee Van Cleef Actor, 1925
- Marek Belka Economist, 1952
- Mary Roos Singer, 1949
- Matt Bevin Businessman, 1967
- MF DOOM Rapper, 1971
- Michael Beasley Basketball Player, 1989
- Michiko Kakutani Literary Critic, 1955
- Morris Gleitzman Author, 1953
- Nestor Alexander Haddaway Singer, 1965
- Nicola Peltz Actress, 1995
- Nina Dobrev Actress, 1989
- Omari Hardwick Actor, 1974
- Pam Houston Author, 1962
- Paolo Nutini Singer, 1987
- Phil Lewis Singer-Songwriter, 1957
- Philippa Gregory Novelist, 1954
- Rachel Hollis Author, 1983
- Richard M. Nixon Politician, 1913
- Rigoberta Menchu Activist, 1959
- Sean Paul Dancer, 1973
- Sergio Garcia Golfer, 1980
- Simone de Beauvoir Writer, 1908
- Steve Harwell Musician, 1967
- Steven Squyres Astrologer, 1956
- Stuart Woods Novelist, 1938
- Susannah York Actress, 1939
- V. Bozeman Singer, 1988
- Wilbur Smith Novelist, 1933
- William Johnson Cory Teacher, 1823
- Yang Hyun-suk Rapper, 1970