Authors Born on April 18
- Abd-ru-shin Writer, 1875
- Alexandra Adornetto Author, 1994
- Alia Shawkat Actress, 1989
- America Ferrera Actress, 1984
- Andre Bazin Critic, 1918
- Andrew Lo Economist, 1960
- Arthur P. Warner Inventor, 1870
- Ayman Mohyeldin Journalist, 1979
- Baran Odar Film Director, 1978
- Barbara Hale Actor, 1922
- Billy Butler Baseball Player, 1986
- Bob Hastings Film Actor, 1925
- Bob Kaufman Poet, 1925
- Bob Latta Politician, 1956
- Britt Robertson Actress, 1990
- Charles Elachi Professor, 1947
- Chloe Bennet Actress, 1992
- Clarence Darrow Lawyer, 1857
- Conan O'Brien Comedian, 1963
- Dave Calhoun Businessman, 1957
- David Ricardo Economist, 1772
- David Tennant Actor, 1971
- E. P. Sanders Scholar, 1937
- Ed Garvey Lawyer, 1940
- Edgar Wright Film Director, 1974
- Eli Roth Director, 1972
- Eric McCormack Actor, 1963
- Eric Roberts Actor, 1956
- F. David Peat Physicist, 1938
- Gavin Creel Actor, 1976
- George Henry Lewes Philosopher, 1817
- Haile Gebrselassie Marathon Runner, 1973
- Hayley Mills Actress, 1946
- J. Christopher Stevens Diplomat, 1960
- James Woods Actor, 1947
- Jane Leeves Actress, 1961
- Jason Sudeikis Comedian, 1975
- Jeff Dunham Comedian, 1962
- Jessica Jung Singer-Songwriter, 1989
- John Podhoretz Writer, 1961