Authors born in 1942
- Marcia Wallace Actress, 1942
- Margaret Smith Court Tennis Player, 1942
- Marge Simon Artist, 1942
- Marilyn Hacker Poet, 1942
- Mario Gabelli Investor, 1942
- Marlin Fitzwater Journalist, 1942
- Marsha Mason Actress, 1942
- Martin Cruz Smith Novelist, 1942
- Martin Rees Cosmologist, 1942
- Martin Scorsese Director, 1942
- Martin Seligman Psychologist, 1942
- Martin Zweig Investor, 1942
- Max Cleland Politician, 1942
- Meredith Monk Composer, 1942
- Michael Bloomberg Businessman, 1942
- Michael Crawford Actor, 1942
- Michael Crichton Author, 1942
- Michael Eisner Businessman, 1942
- Michael Giles Drummer, 1942
- Michael Haneke Film Director, 1942
- Michael LeBoeuf Author, 1942
- Michael Madigan Politician, 1942
- Michael Merzenich Professor, 1942
- Michael Nesmith Musician, 1942
- Michael Palmer Author, 1942
- Michael Savage Radio Personality, 1942
- Michael W.Malone Author, 1942
- Michael Wadleigh Film Director, 1942
- Michael York Actor, 1942
- Michael Zaslow Actor, 1942
- Michele Lee Actress, 1942
- Mike Newell Director, 1942
- Mike Yaconelli Writer, 1942
- Mitch McConnell Politician, 1942
- Mohamed ElBaradei Diplomat, 1942
- Mohammed Aldouri Politician, 1942
- Muammar Mohammed Abu Minyar Gaddafi Revolutionary, 1942
- Muhammad Ali Boxer, 1942
- Muhammadu Buhari Politician, 1942
- N. Robert Hammer Businessman, 1942