Authors Born on April 18
- Justin Amash Lawyer, 1980
- Karen Handel Politician, 1962
- Karl Wolf Singer, 1979
- Katherine Cecil Thurston Novelist, 1874
- Kathy Acker Poet, 1947
- Kayleigh McEnany Political Commentator, 1988
- Kenny Ortega Producer, 1950
- Kourtney Kardashian Television Presenter, 1979
- Laura Mennell Actress, 1980
- Lena Andersson Author, 1970
- Lois Greenfield Photographer, 1949
- Luis Miguel Singer, 1970
- Madeleine Peyroux Singer, 1974
- Maria Bello Actress, 1967
- Mark Thomas Tremonti Musician, 1974
- Melissa Joan Hart Actress, 1976
- Menachem Mendel Schneerson Rabbi, 1902
- Michael D. Higgins Politician, 1941
- Miguel Cabrera Baseball Player, 1983
- Mike Murdock Singer-Songwriter, 1946
- Moises Arias Actor, 1994
- Máiréad Nesbitt Performer, 1979
- Nathan Sykes Singer, 1993
- Neo Rauch Artist, 1960
- Niall Ferguson Historian, 1962
- Nick Farr-Jones Rugby Union Player, 1962
- Nigel Kneale Screenwriter, 1922
- Pierre Pettigrew Politician, 1951
- Reeve Carney Singer-Songwriter, 1983
- Rick Moranis Actor, 1953
- Saad Hariri Politician, 1970
- Sam Crawford Baseball Player, 1880
- Samantha Cameron Housewife, 1971
- Samuel P. Huntington Political Scientist, 1927
- Sean Maguire Actor, 1976
- Susan Faludi Journalist, 1959
- Vanessa Kirby Actress, 1988
- Wynn Bullock Photographer, 1902
- Zazie Singer, 1964