Authors born in 1980
- Lindi Ortega Singer-Songwriter, 1980
- Liz Murray Motivational Speaker, 1980
- Lucien Bourjeily Writer, 1980
- Luke Hemsworth Actor, 1980
- Luke Macfarlane Actor, 1980
- Mac Danzig Wrestler, 1980
- Macaulay Culkin Film Actor, 1980
- Maggie Lawson Actor, 1980
- Maksim Chmerkovskiy Teacher, 1980
- Marat Safin Tennis Player, 1980
- Margarita Levieva Actress, 1980
- Margarita Simonyan Journalist, 1980
- Maria de Villota Racecar Driver, 1980
- Mariacarla Boscono Supermodel, 1980
- Marie Brennan Author, 1980
- Marit Bjorgen Athlete, 1980
- Mark Teixeira Baseball Player, 1980
- Markus Feehily Singer-Songwriter, 1980
- Marla Sokoloff Actress, 1980
- Martina Hingis Tennis Player, 1980
- Mary Halvorson Guitarist, 1980
- Mathew Baynton Actor, 1980
- Matt Holliday Baseball Player, 1980
- Matt Long Actor, 1980
- Matthew Gray Gubler Actor, 1980
- Matthew Lawrence Actor, 1980
- Matthew Rees Rugby Union Player, 1980
- Max Greenfield Actor, 1980
- Mehcad Brooks Actor, 1980
- Michael Brian "Mike" Kennerty Musician, 1980
- Michael Gregory Mizanin Actor, 1980
- Michael Hastings Journalist, 1980
- Michael Steger Actor, 1980
- Michael Urie Actor, 1980
- Michael Vick Coach, 1980
- Michelle Kwan Figure Skater, 1980
- Michelle Moran Novelist, 1980
- Michelle Williams Actress, 1980
- Mick Kenney Musician, 1980
- Miguel Cotto Boxer, 1980