Authors Born on January 18
- A. A. Milne Writer, 1882
- Alexander Khalifman Chess Player, 1966
- Alison Arngrim Actor, 1962
- Andrea Modica Photographer, 1960
- Angelique Kerber Tennis Player, 1988
- Anjem Choudary Islamic Studies Scholar, 1967
- Anthony Giddens Sociologist, 1938
- Antje Traue Actress, 1981
- Arthur Ransome Journalist, 1884
- Ashleigh Murray Actress, 1988
- Becca Tobin Actress, 1986
- Benjamin Jealous Leader, 1973
- Benjamin Todd Jealous Politician, 1973
- Bernie Glassman Author, 1939
- Bill Keller Journalist, 1949
- Binyavanga Wainaina Author, 1971
- Bo Gritz Military Officer, 1939
- Bob Peterson Screenwriter, 1961
- Bobby Goldsboro Singer-Songwriter, 1941
- Brady Anderson Baseball Player, 1964
- Burnie Burns Writer, 1973
- Calvin S. Hall Psychologist, 1909
- Carl McCoy Musician, 1963
- Carmen Domenic Licciardello Singer, 1956
- Carolyn Parkhurst Author, 1971
- Carrie Tollefson Runner, 1977
- Cary Grant Actor, 1904
- Charles de Montesquieu Judge, 1689
- Charles Lane Poor Astronomer, 1866
- Chen Long Badminton Player, 1989
- Christian Burns Singer-Songwriter, 1974
- Crispian Mills Singer-Songwriter, 1973
- Curt Flood Baseball Player, 1938
- Daniel Webster Politician, 1782
- Danny Kaye Actor, 1911
- Dave Attell Comedian, 1965
- Dave Bautista Professional Wrestler, 1969
- David Ayer Film Director, 1968
- David Bautista Wrestler, 1969
- David Bellamy Author, 1933