Authors born in 1972
- Kate del Castillo Television Actor, 1972
- Kate Fleetwood Actress, 1972
- Katharine Hayhoe Scientist, 1972
- Katherine Center Author, 1972
- Katie Barberi Actress, 1972
- Keiichi Sigsawa Author, 1972
- Kelly Slater Surfer, 1972
- Kerr Smith Actor, 1972
- Kevin Brockmeier Writer, 1972
- Kevin Plank Businessman, 1972
- Keyshawn Johnson Football Player, 1972
- Kimbal Musk Entrepreneur, 1972
- Kirsten Green Businesswoman, 1972
- Kirsten Vangsness Actress, 1972
- Kirstjen Nielsen Public Servant, 1972
- Kristin Lehman Actress, 1972
- Laith Al-Deen Musician, 1972
- Lajon Witherspoon Musician, 1972
- Lara Giddings Politician, 1972
- LaToya Cantrell Mayor, 1972
- Laurent Lamothe Businessman, 1972
- Laverne Cox Actress, 1972
- Ledisi Actress, 1972
- Leigh-Allyn Baker Actress, 1972
- Leonor Varela Actress, 1972
- Leslie Mann Actress, 1972
- Leymah Gbowee Activist, 1972
- Liam Gallagher Singer, 1972
- Lisa Leslie Baseball Player, 1972
- Liz Vassey Actress, 1972
- Louise Leakey Paleoanthropologist, 1972
- Luis Figo Football Player, 1972
- LZ Granderson Journalist, 1972
- Mac Powell Singer, 1972
- Magnus Sveningsson Bassist, 1972
- Malvinder Mohan Singh Businessman, 1972
- Marc Blucas Actor, 1972
- Marion Hall Singer-Songwriter, 1972
- Mark Hoppus Musician, 1972
- Mark Morrison Singer, 1972