Authors born in 1951
- Jean-Claude Duvalier President, 1951
- Jean-Pierre Dardenne Film Maker, 1951
- Jeanine Pirro Judge, 1951
- Jeff Long Writer, 1951
- Jeffrey Lurie Producer, 1951
- Jeffrey Ross Hyman Singer-Songwriter, 1951
- Jerry Greenfield Businessman, 1951
- Jerry McNerney Businessman, 1951
- Jerry Saltz Art Critic, 1951
- Jesse Ventura Actor, 1951
- Jesús "Aguaje" Ramos Music Director, 1951
- Jill Biden First Lady, 1951
- Jim Allchin Guitarist, 1951
- Jim DeMint Businessman, 1951
- Jim Diamond Singer-Songwriter, 1951
- Jim Weider Guitarist, 1951
- Jimi Jamison Vocalist, 1951
- Joan Sebastian Singer-Songwriter, 1951
- Joe Pantoliano Actor, 1951
- Joe Piscopo Comedian, 1951
- Joe R. Lansdale Writer, 1951
- John Abizaid Military General , 1951
- John Burdett Novelist, 1951
- John Deacon Musician, 1951
- John Doerr Investor, 1951
- John F. Tierney Politician, 1951
- John Fleming Politician, 1951
- John Gray Author, 1951
- John Hannah American Football Player, 1951
- John L. Phillips Astronaut, 1951
- John Lloyd Television Producer, 1951
- John McTiernan Film Maker, 1951
- John Mellencamp Singer-Songwriter, 1951
- John Quelch Deacon, 1951
- John Redwood Politician, 1951
- John Scofield Guitarist, 1951
- Jon Feltheimer Chief Executive Officer, 1951
- Jonathan Coleman Author, 1951
- Jonathan Richman Singer-Songwriter, 1951
- Joy Harjo Poet, 1951