S
| Name | Year(s) | Appeared on | Instrument |
|---|---|---|---|
| Claudia Sack | 1993, 1999 | The Yellow Shark, Everything Is Healing Nicely | Violin |
| Bobby Saldana | 2005 | Joe's XMASage | Bass |
| Dave Samuels | 1976, 1978, 1992, 1996, 1997 | Zappa in New York, You Can't Do That on Stage Anymore, Vol. 6, Läther, Have I Offended Someone? | Percussions |
| Sheldon Sanov | 1978, 1996 | Studio Tan, Läther | Violin |
| Emmet Sargeant | 1966 | Freak Out! | Cello |
| Lewis Saul | 1989 | You Can't Do That on Stage Anymore, Vol. 3 | Voice |
| Joseph Saxon | 1966, 1968 | Freak Out!, Lumpy Gravy | Cello |
| Ralph Schaeffer | 1968 | Lumpy Gravy | Violin |
| Jürgen Ruck | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Bassoon |
| Leonard Selic | 1968 | Lumpy Gravy | Viola |
| Ron Selico | 1969 | Hot Rats | Drums |
| Lakshminarayana Shankar | 1992, 1999, 2003 | You Can't Do That on Stage Anymore, Vol. 6, Everything Is Healing Nicely, Halloween | Violin |
| Sidney "Sid" Sharp | 1968 | We're Only in It for the Money, Lumpy Gravy | Conductor |
| Archie Shepp | 1991 | You Can't Do That on Stage Anymore, Vol. 4 | Saxophone |
| Kay Sherman | 2005 | Joe's XMASage | Voice |
| Jim Sherwood | 1966–1970, 1981, 1984, 1988, 1991, 1992, 1993, 1994, 1996 | Freak Out!, We're Only in It for the Money, Lumpy Gravy, Cruising with Ruben & the Jets, Uncle Meat, Burnt Weeny Sandwich, Weasels Ripped My Flesh, You Are What You Is, Thing-Fish, You Can't Do That on Stage Anymore, Vol. 1, You Can't Do That on Stage Anymore, Vol. 4, You Can't Do That on Stage Anymore, Vol. 5, Ahead of Their Time, Civilization, Phaze III, Läther | Saxophone, Percussions, Vocals |
| David Shostac | 1978–1981, 1996, 2004, 2008 | Studio Tan, Orchestral Favorites, Tinseltown Rebellion, Läther, QuAUDIOPHILIAc, Joe's Domage, One Shot Deal | Flute, Saxophone |
| Kenneth Shroyer | 1968, 1972, 1978, 1979, 1981, 1996, 2004, 2007, 2008 | Lumpy Gravy, Waka/Jawaka, The Grand Wazoo, Studio Tan, Orchestral Favorites, Tinseltown Rebellion, Läther, QuAUDIOPHILIAc, Joe's Domage, Wazoo, One Shot Deal | Brass |
| Jeff Simmons | 1969–1974, 1988, 1992 | Chunga's Revenge, Waka/Jawaka, Roxy & Elsewhere, You Can't Do That on Stage Anymore, Vol. 1, You Can't Do That on Stage Anymore, Vol. 6, Playground Psychotics | Guitar, Bass, Vocals |
| Mark Simone | 2003 | Halloween | Voice |
| Linda Sims | 1973, 1974, 1997 | Over-Nite Sensation, Apostrophe ('), Roxy & Elsewhere, Have I Offended Someone? | Vocals |
| Daryl Smith | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Tuba, Voice |
| Paul Smith | 1968 | Lumpy Gravy | Keyboards |
| Marshall Sosson | 1967 | Absolutely Free | Violin |
| Craig Steward | 1979, 1981, 1983 | Joe's Garage, You Are What You Is, The Man from Utopia | Harmonica |
| Sting | 1988 | Broadway the Hard Way | Vocals |
| Sheridan Stokes | 1978–1981, 1996, 2004, 2008 | Studio Tan, Orchestral Favorites, Tinseltown Rebellion, Läther, QuAUDIOPHILIAc, Joe's Domage, One Shot Deal | Flute, Saxophone |
| Wolfgang Stryi | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Woodwinds |
| Stumuk | 1979, 1987 | Joe's Garage, Uncle Meat (1987 CD Version) | Saxophone, Voice |
| Hilary Sturt | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Viola, Voice |
| Michael Svoboda | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Trombone, Euphonium, Didgeridoo, Alphorn, Conch, Voice |
Read more about this topic: List Of Performers On Frank Zappa Records