Authors born in 1988
- KB Hip-Hop Artist, 1988
- Kelley O'Hara Football Player, 1988
- Kevin Durant Basketball Player, 1988
- Kevin Foley Drummer, 1988
- Kevin Love Basketball Player, 1988
- Kevin McHale Actor, 1988
- Kevin Morby Musician, 1988
- Kevin Schmidt Actor, 1988
- Khabib Nurmagomedov Mixed Martial Artist, 1988
- Kim Matula Actress, 1988
- Kim Min-jun Singer, 1988
- Kim Yu-jin Singer, 1988
- King Bach Actor, 1988
- Kirsten Sweetland Athlete, 1988
- Kwon Ji-yong Singer-Songwriter, 1988
- Lacey Schwimmer Music Artist, 1988
- Laura Slade Wiggins Actor, 1988
- Leah Pipes Actress, 1988
- Leandra Medine Author, 1988
- Liam Smith Boxer, 1988
- Lil Dicky Rapper, 1988
- Lilly Singh Youtuber, 1988
- Lily Nicksay Actress, 1988
- Liu Wen Model, 1988
- Lizzie Armitstead Sport Cyclist, 1988
- Lizzo Rapper, 1988
- Lukas Forchhammer Singer, 1988
- Ma Long Tennis Player, 1988
- Mae Whitman Actor, 1988
- Maiara Walsh Actress, 1988
- Marcel Achard Playwright, 1988
- Marco Mengoni Singer-Songwriter, 1988
- Margaret Carlson Journalist, 1988
- Maria Alyokhina Politician, 1988
- Marin Cilic Tennis Player, 1988
- Marina Ann Hantzis Actress, 1988
- Marketa Irglova Singer-Songwriter, 1988
- Martine Syms Artist, 1988
- Masahiro Tanaka Baseball Player, 1988
- Matthew James Thomas Actor, 1988