- John St. John -- John Stannard
- John Stano -- John Steele Ritter
- John Steer -- John Stevens
- John Stevens -- John Storch
- John Storgaards -- John Styn
- John Sullivan -- John Swardson
- John Swayne -- John Tabacco
- John Tafaro -- John Taverner
- John Tayles -- John Tenney
- John Tennyson's Real Worl Trio -- John "The Tonie" Wells
- John & The Weirdest -- John Thomas & Lifeforce
- John thomas Oaks -- John Timothy Ford
- John Tindel -- John Torres
- John Torri -- John Treanor
- John Treleavan -- John Truscelli
- John Trusso -- John Two-Hawks
- John Twomey -- John Van Buskirk
- John van de Ven -- John Varton
- John Vastano -- John Vidacovich