Authors born in 1979
- Jay Penske Entrepreneur, 1979
- Jaycie Phelps Gymnast, 1979
- Jayma Mays Actress, 1979
- Jennifer Carpenter Actress, 1979
- Jennifer Finnigan Actress, 1979
- Jennifer Love Hewitt Actress, 1979
- Jennifer Morrison Actress, 1979
- Jenny Mollen Actress, 1979
- Jensen Karp Comedian, 1979
- Jerrod Niemann Singer-Songwriter, 1979
- Jerry Ferrara Actor, 1979
- Jessa Gamble Author, 1979
- Jesse Bradford Actor, 1979
- Jesse Spencer Actor, 1979
- Jill Wagner Actress, 1979
- Jimmy Walker Golfer, 1979
- Joanna Garcia Actress, 1979
- Joanna Krupa Model, 1979
- Joel Houston Singer, 1979
- Joel Kinnaman Actor, 1979
- Joel Madden Vocalist, 1979
- Johan Santana Baseball Player, 1979
- John Krasinski Actor, 1979
- Jon M. Chu Film Maker, 1979
- Jonathan Krisel Director, 1979
- Jonny Wilkinson Rugby Union Player, 1979
- Jordan Klepper Comedian, 1979
- Jordan Peele Actor, 1979
- Jose Pablo Cantillo Actor, 1979
- Josh Baldwin Singer-Songwriter, 1979
- Josh Cooke Actor, 1979
- Josh Hawley Lawyer, 1979
- Josh Keaton Actor, 1979
- Josh Klinghoffer Musician, 1979
- Joshua Adam Klinghoffer Musician, 1979
- Juan Pablo Di Pace Actor, 1979
- Jud Tylor Actor, 1979
- Kaki King Guitarist, 1979
- Karan Bajaj Author, 1979
- Karen Elson Model, 1979