- John Russell Jack Donnelly
- John Sadler (Primary Source)
- John Sadowski
- John Scammell (Primary Source)
- John Scott Clark
- John Slater
- John Smith (Primary Source)
- John Springer (Primary Source)
- John Stewart MacDonald
- John Stokes
- John Stratton
- John Upton Kirk
- John Victor Zack Zacharias
- John W. "Jack" Jeffrey
- John Widdowfield
