Authors born in 1944
- Jerry Springer Television Presenter, 1944
- Jill Clayburgh Actress, 1944
- Jill Tarter Astronomer, 1944
- Jim Capaldi Singer-Songwriter, 1944
- Jim Gibbons Attorney At Law, 1944
- Jim Leyland Baseball Manager, 1944
- Jimmy Page Musician, 1944
- Joe Cocker Singer, 1944
- Joe Eszterhas Writer, 1944
- Joe Frazier Boxer, 1944
- Joel Sternfeld Photographer, 1944
- John Abercrombie Guitarist, 1944
- John Breaux Attorney At Law, 1944
- John Dawson Winter III Musician, 1944
- John Densmore Musician, 1944
- John Entwistle Singer-Songwriter, 1944
- John Fredriksen Businessman, 1944
- John Glover Actor, 1944
- John Holdren Scientist, 1944
- John J. Mack Chief Executive Officer, 1944
- John Kay Musician, 1944
- John Milius Screenwriter, 1944
- John Newcombe Tennis Player, 1944
- John O'Toole Politician, 1944
- John Paul DeJoria Entrepreneur, 1944
- John Rhys-Davies Actor, 1944
- John Roy Anderson Singer, 1944
- John S. Tanner Politician, 1944
- John Sandford Novelist, 1944
- John Sebastian Singer-Songwriter, 1944
- John Tavener Composer, 1944
- Johnny Isakson Politician, 1944
- Jon Kabat-Zinn Professor, 1944
- Jonathan Demme Director, 1944
- Jonathan Dimbleby Writer, 1944
- Jonathan King Singer-Songwriter, 1944
- Joy Williams Novelist, 1944
- Judith McNaught Author, 1944
- Judith Rodin Philanthropist, 1944
- Kansai Yamamoto Fashion Designer, 1944