Sports: Biographies
- John William Heisman
- Johnny Unitas
- Johnny Weissmuller
- Jose Canseco
- Josh Gibson
- Juan Antonio Samaranch
- Juan Manuel Fangio
- Julie Krone
- Julius Erving
- Kareem Abdul-Jabbar
- Karl Malone
- Kenesaw Mountain Landis
- Kevin Garnett
- Kevin OMalley
- Kirby Puckett
- Knute Kenneth Rockne
- Kobe Bryant
- Kordell Stewart
- Kwame Kilpatrick
- Laila Ali