Authors Born on
- Karl Blake Vocalist, 1956
- Karl-Henrik Robert Scientist, 1947
- Karle Wilson Baker Poet, 1878
- Kasey Anderson Singer, 1979
- Kassia Composer, 810
- Katarina Kruhonja Activist, 1949
- Kate Angell Author, 0
- Kate Arrington Actress, 0
- Kate Bernheimer Writer, 1950
- Kate Constable Author, 1966
- Kate Fox Anthropologist, 0
- Kate Horsley Author, 1952
- Kate Jacobs Author, 1973
- Kate Orff Founder, 1971
- Kate Reardon Author, 1968
- Kate Warne Detective, 1833
- Kateri Tekakwitha Politician, 1656
- Katharina Zell Reformer, 1497
- Katharine Butler Hathaway Author, 1890
- Katharine Whitehorn Journalist, 1928
- Katherine Albrecht Advocate, 1968
- Katherine Bernhardt Artist, 1975
- Katherine Hannigan Writer, 1962
- Katherine Howe Novelist, 1977
- Katherine Losse Writer, 0
- Katherine Rundell Author, 1987
- Kathleen Clark Playwright, 0
- Kathleen Dowling Singh Author, 0
- Kathleen Grissom Author, 0
- Kathleen McDonald Buddhist, 1952
- Kathleen Moore Lighthouse Keeper, 1794
- Kathleen Parker Columnist, 1951
- Kathleen Rooney Writer, 2000
- Kathrine Narducci Actress, 1965
- Kathryn Erskine Writer, 0
- Kathryn Finney Author, 2000
- Kathryn Gustafson Architect, 1951
- Kathryn Sansone Trainer, 1962
- Kathryn Schulz Journalist, 2000
- Kathryn Stockett Author, 1969