Authors Born on March 18
- George Plimpton Journalist, 1927
- George Washington Bethune Pastor, 1805
- Gerald Haslam Author, 1937
- Gerard van der Leeuw Historian, 1890
- Grant Hart Musician, 1961
- Hal Varian Economist, 1947
- Ian Caldwell Novelist, 1976
- Irene Cara Escalera Singer-Songwriter, 1959
- James Nicoll Blogger, 1961
- Jeff LaBar Guitarist, 1963
- Jerry Cantrell Musician, 1966
- Jerry Fulton Cantrell Jr. Musician, 1966
- John C. Calhoun Statesman, 1782
- John Updike Novelist, 1932
- Joy Fielding Novelist, 1945
- Karen McCarthy Politician, 1947
- Kat Cole Businesswoman, 1978
- Laura Pergolizzi Singer-Songwriter, 1981
- Li Lykke Timotej Zachrisson Singer, 1986
- Lily Collins Actress, 1989
- Luc Besson Film Director, 1959
- Madame de La Fayette Writer, 1634
- Madeline Carroll Actress, 1996
- Manly Hall Philosopher, 1901
- Marnie Stern Musician, 1976
- Marquis De Custine Writer, 1790
- Marvin Humes Singer, 1985
- Michael Bergin Model, 1969
- Michael Reagan Political Commentator, 1945
- Mike Rowe Television Host, 1962
- Nathanael Greene Herreshoff Architect, 1848
- Neville Chamberlain Statesman, 1869
- Nikolai Berdyaev Philosopher, 1874
- Nikolai Rimsky-Korsakov Composer, 1844
- Numa Denis Fustel de Coulanges Historian, 1830
- Peter Cowgill Chairperson, 1953
- Peter Graves Actor, 1926
- Phillip Sweet Musician, 1974
- Queen Latifah Producer, 1970
- Randal Cremer Politician, 1828