Authors born in 1986
- Jessy Schram Actress, 1986
- Jillian Mayer Artist, 1986
- Jimmie Allen Singer, 1986
- Jimmy Graham American Football Player, 1986
- Jinder Mahal Professional Wrestler, 1986
- John DeLuca Actor, 1986
- Johnny Simmons Actor, 1986
- Johnny Stevens Bassist, 1986
- Jon Batiste Musician, 1986
- Jonny Hawkins Singer-Songwriter, 1986
- Jordan Masterson Actor, 1986
- Josh Helman Actor, 1986
- Josh Peck Actor, 1986
- Josh Segarra Actor, 1986
- Joy Villa Singer-Songwriter, 1986
- Justin Scott Rapper, 1986
- Kali Hawk Actor, 1986
- Kang Seung-jo Football Player, 1986
- Kaniehtiio Horn Actress, 1986
- Kat Dennings Actress, 1986
- Kate Voegele Singer-Songwriter, 1986
- Katie Cassidy Actress, 1986
- Katie Leclerc Actress, 1986
- Katie Taylor Boxer, 1986
- Kayla Tausche Journalist, 1986
- Kazuya Kamenashi Singer-Songwriter, 1986
- Keahu Kahuanui Actor, 1986
- Keegan Bradley Athlete, 1986
- Kellie Pickler Music Artist, 1986
- Kellin Quinn Musician, 1986
- Kevin Bivona Musician, 1986
- Kevin Gates Rapper, 1986
- Kevin Parker Singer, 1986
- Ki Hong Lee Actor, 1986
- Kit Harington Actor, 1986
- Kratika Sengar Actress, 1986
- Kristin Cast Novelist, 1986
- Kyla Pratt Actress, 1986
- Kyle Gallner Actor, 1986
- Kyle Lowry Basketball Player, 1986