Authors Born on
- William Patten Historian, 1510
- William Peter Hamilton Editor, 1867
- William Pett Ridge Novelist, 1859
- William Prynne Writer, 1600
- William Rathbone Greg Author, 1809
- William Robert Woodman Co-Founder, 1828
- William Ross Wallace Poet, 1819
- William Segal Publisher, 1904
- William Spencer Sherif, 1496
- William St Leger Soldier, 1586
- William Symington Engineer, 1764
- William Targ Editor, 1907
- William Thompson Politician, 1775
- William Turner Physician, 1509
- William Tyndale Scholar, 1494
- William Upski Wimsatt Author, 1972
- William Wallace Knight, 1270
- William Wardell Engineer, 1823
- William Wells Brown Lecturer, 1814
- William Whately Author, 1583
- William Wickenden Baptist, 1614
- Willie Herron Singer, 1951
- Willie Soon Author, 1966
- Willis Earl Beal Singer-Songwriter, 1983
- Willis George Emerson Novelist, 1856
- Willy Vlautin Author, 1967
- Winifred Mary Letts Writer, 1882
- Winston Spear Stand-Up Comedian, 1965
- Wolfgang Langewiesche Author, 1907
- Wolfgang Smith Mathematician, 1930
- Wolfgang Weingart Graphic Designer, 1941
- Wong Kiew Kit Mixed Martial Artist, 1944
- Wovoka Religious Leader, 1856
- Wu Cheng'en Writer, 1500
- Wu Guoguang Professor, 1957
- Wu Ta-ch'i Celebrity, 1926
- Wumen Huikai Buddhist, 1183
- X Ambassadors Musician, 0
- Xaviera Simmons Artist, 1974
- Xenobia Bailey Artist, 1955