J
- J. McBride (racing)
- J. Mendel
- J. Michael Luttig
- J. Michael Straczynski
- J. N. Heiskell
- J. P. McManus
- J. R. D. Tata
- J. Robin Warren
- J. Scott Gration
- J. Tillman
- J. Willard (Bill) Marriott
- J. William Fulbright
- J.A. Happ
- J.B. Holmes
- J.B. Shugarts
- J.C. Boscan
- J.C. France (racing)
- J.C. Romero
- J.C. Snead
- J.C. Watts
- J.D. Folsom
- J.D. Fortune
- J.D. Gibbs
- J.D. Larson
- J.D. Souther
- J.D. Walton
- J.J. Arrington
- J.J. Cale
- J.J. Finley
- J.J. Hardy
- J.J. Henry
- J.J. Hickson
- J.J. Jansen
- J.J. Lehto
- J.J. Putz
- J.J. Yeley
- J.L. Lewis
- J.P. Arencibia
- J.P. Dumont
- J.P. Hayes
- J.P. Howell
- J.P. Losman
- J.P. Ricciardi
- J.P.R. Williams
- J.r. Bhonsle
- J.R. Celski
- J.R. Fitzpatrick (racing)
- J.R. Giddens
- J.R. Reed
- J.R. Richard
- J.R. Smith
- J.R. Todd (racing)
- J.R. Towles
- J.T. Snow
- J.T. Thomas (football)
- Ja Rule
- Jaak Aaviksoo
- Jaakko Eskola
- Jaap de Hoop Scheffer
- Jaap Stam
- Jaap van Zweden
- Jabar Gaffney
- Jabari Arthur
- Jabari Greer
- Jabbar Collins
- Jabier Gartzia
- Jabir Husain
- Jabo Ibehre (footballer)
- Jac Jagaciak
- Jacco Eltingh (tennis)
- Jacek Krzynówek (footballer)
- Jacek Protasiewicz
- Jacek Rostowski
- Jacek Saryusz-Wolski (politician)
- Jaci Velasquez (musician)
- Jacinta Allan
- Jacinta Collins (politician)
- Jacintha Saldanha
- Jack Abramoff
- Jack Adams
- Jack Albertson
- Jack Allen (politician)
- Jack Anderson
- Jack Armstrong (baseball)
- Jack Arnold
- Jack Arute
- Jack Austin
- Jack B. Johnson (politician)
- Jack B. Weinstein
- Jack Baldwin