Authors born in 1939
- Karen Black Actress, 1939
- Kate O'Mara Actress, 1939
- Kathryn Joosten Actress, 1939
- Kathy Whitworth Golfer, 1939
- Ken Blanchard Author, 1939
- Kim Weston Singer, 1939
- Kit Bond Politician, 1939
- Lance Morrow Journalist, 1939
- Lance Secretan Motivational Speaker, 1939
- Larry Speakes Journalist, 1939
- Lee Majors Film Actor, 1939
- Lee Trevino Golfer, 1939
- Len Cariou Actor, 1939
- Leon Kass Physician, 1939
- Letty Cottin Pogrebin Actor, 1939
- Lily Tomlin Actress, 1939
- Lionel Sosa Businessman, 1939
- Lolly Vegas Musician, 1939
- Lou Brock Baseball Player, 1939
- Luther Allison Guitarist, 1939
- Lyall Watson Botanist, 1939
- Lynn Schusterman Philanthropist, 1939
- Maeve Binchy Writer, 1939
- Marcia Angell Physician, 1939
- Margaret Atwood Poet, 1939
- Margaret Drabble Novelist, 1939
- Marian Wright Edelman Activist, 1939
- Mark Margolis Actor, 1939
- Marshall Brickman Screenwriter, 1939
- Martin Feldstein Economist, 1939
- Marvin Gaye Singer, 1939
- Mary Catherine Bateson Writer, 1939
- Mary Isobel Catherine Bernadette O'Brien Singer, 1939
- Maury Povich Television Presenter, 1939
- Mavis Staples Singer, 1939
- Melvyn Bragg Broadcaster, 1939
- Michael Ciminoo Film Director, 1939
- Michael Learned Actress, 1939
- Michael Moorcock Writer, 1939
- Michael N. Castle Politician, 1939