Business Leaders
- Jeffrey Katzenberg
- Jill E. Barad
- Jim Clark
- John Batterson Stetson
- John Browne
- John D. Rockefeller
- John Davison Rockefeller
- John Deere
- John Jacob Astor (merchant)
- John William Mackay
- Joseph Geating McCoy
- Joseph Patrick Kennedy
- Juan Terry Trippe
- Julius Rosenwald
- Junius Spencer Morgan
- Kase Lukman Lawal
- Kenneth I. Chenault
- Krupp
- La-Van Hawkins
- Larry Ellison