- Gary Romano
- Gary Romero
- Gary Rosen
- Gary Rosen
- Gary Rossington
- Gary Rue
- Gary Russell Bass
- Gary S. Custer
- Gary S. "Flip" Paxton
- Gary Sadler
- Gary Saint
- Gary Samuels
- Gary Sandusky
- Gary Sapone & The Sonics
- Gary Saracho
- Gary Savelli
- Gary Schall
- Gary Schiller
- Gary Schnitzer
- Gary Schocker
- Gary Schocker
- Gary Schoepflin
- Gary Schunk
- Gary Schutt
- Gary Schwantes
- Gary Schwartz
- Gary Scott
- Gary Seber
- Gary Seber
- Gary Seibert
- Gary Seligson
- Gary Sellers
- Gary Sephira
- Gary Setzer
- Gary Sharp
- Gary Sharpe
- Gary Shearston
- Gary Shelton
- Gary Sherman
- Gary Shider
- Gary Shipley
- Gary Shocker
- Gary Shocker & Jason Vieaux
- Gary Sieger
- Gary Sill
- Gary Silva
- Gary Simmons