Authors Born on January 1
- Salman Khurshid Politician, 1953
- Sam Childers Activist, 1963
- Sam Kean Writer, 1953
- Samantha Harvey Novelist, 1975
- Samuel Daniel Poet, 1562
- Sarah Monette Novelist, 2000
- Scott Snyder Writer, 1976
- Scott Weiss Businessman, 1901
- Shane Carruth Film Maker, 1972
- Sophie McShera Actress, 1985
- Stuart Immonen Illustrator, 2000
- Susan Lim Scientist, 1962
- Susannah McCorkle Singer, 1946
- Suzy Kendall Actor, 1937
- Tana French Novelist, 1973
- Tawni O'Dell Novelist, 1964
- Ted Bell Writer, 1947
- Ted Chiang Writer, 1967
- Urs Holzle Software Developer, 2000
- Vash Young Author, 1889
- Verne Troyer Actor, 1969
- Vernon L. Smith Economist, 1927
- Vicki Delany Author, 1951
- Victor Mercer Rapper, 2000
- Victoria Hanley Writer, 2000
- Vidya Balan Actress, 1978
- Vilayanur S. Ramachandran Psychologist, 1951
- W. Bruce Cameron Columnist, 1960
- Wadah Khanfar Businessperson, 1968
- Ward McAllister Socialite, 1827
- Waris Dirie Model, 1965
- Weihui Zhou Writer, 1973
- Wilhelm Canaris Admiral, 1887
- William Mackergo Taylor Minister, 1829
- William Thomas Councilman Pathologist, 1854
- Wissam Al Mana Businessman, 1975
- Wyck Godfrey Film Producer, 2000
- Xavier Cugat Musician, 1900
- Xenophanes Philosopher, 570
- Xenophon Historian, 430