Authors born in 1947
- Jack Hanna Zoologist, 1947
- Jack Whittaker Celebrity, 1947
- Jacki Weaver Stage Actor, 1947
- James Cosmo Actor, 1947
- James Dyson Inventor, 1947
- James Hunt Racecar Driver, 1947
- James Luceno Author, 1947
- James Patterson Author, 1947
- James T. Walsh Politician, 1947
- James Woods Actor, 1947
- Jan Garbarek Saxophonist, 1947
- Jane Curtin Actress, 1947
- Jane Elliot Actress, 1947
- Janie Fricke Singer, 1947
- Jeanne Shaheen Politician, 1947
- Jeff Hanna Singer-Songwriter, 1947
- Jeff Lynne Songwriter, 1947
- Jeff MacNelly Cartoonist, 1947
- Jeffrey DeMunn Actor, 1947
- Jennifer Warnes Singer-Songwriter, 1947
- Jerrold Nadler Attorney At Law, 1947
- Jessica Savitch Television Presenter, 1947
- Jim Messina Singer-Songwriter, 1947
- Jim Murphy Author, 1947
- Jim Ryun Athlete, 1947
- Jim Steinman Composer, 1947
- Jim Walsh Politician, 1947
- Jimmie Walker Actor, 1947
- Jimmy Lai Entrepreneur, 1947
- Jo Beverley Writer, 1947
- Jock Sturges Photographer, 1947
- Joe Baca Politician, 1947
- Joe Manchin Politician, 1947
- Joe Mantegna Actor, 1947
- Joe Morton Actor, 1947
- Joe Walsh Singer, 1947
- Joe Wilson Politician, 1947
- Johan Cruyff Football Player, 1947
- John A. Powell Educator, 1947
- John Bruton Politician, 1947