Authors Born on June 15
- Rick Larsen Politician, 1965
- Saul Steinberg Artist, 1914
- Simon Callow Actor, 1949
- Stjepan Hauser Cellist, 1986
- Wade Boggs Baseball Player, 1958
- Wardell Anthony Connerly Political Activist, 1939
- Waylon Jennings Singer, 1937
- Wayne Sermon Musician, 1984
- Wes Jackson Co-Founder, 1936
- William B. Ogden Politician, 1805
- William Levada Cardinal, 1936
- William McFee Writer, 1881
- Xaviera Hollander Author, 1943
- Xi Jinping Politician, 1953
- Zac Rinaldo Ice Hockey Player, 1990