| S | | | | Audio | Video | Photo |
|---|
| Sandy Salisbury | 2000 | Sandy | Electric Guitar |
| David Sanborn | 1979 | Hideaway | Electric Guitar |
| Sand Rubies | 1993 | Sand Rubies | Producer | Audio |
| 1998 | Return of the Living Dead | Producer | Audio |
| Adam Sandler | | Photos of Waddy Wachtel with Adam Sandler | | | | Photos |
| | Videos of Waddy Wachtel with Adam Sandler | | | Videos |
| 1996 | What the Hell Happened to Me? Album and Tour | Guitar, Musical Director, Arranger, Background Vocals | Audio | Videos | Photo |
| 1997 | What’s Your Name? | Guitar, Background Vocals, Composer | Audio |
| 1998 | "The Waterboy" (Movie and Soundtrack) | Original Music | Audio |
| 2001 | "Joe Dirt" (Movie) | Original Music |
| 2003 | "Dickie Roberts: Former Child Star" (Movie) | Original Music |
| 2004 | Shhh…Don’t Tell | Acoustic Guitar, Electric Guitar | Audio | | Photo |
| 2004 | Enjoy Every Sandwich: The Songs of Warren Zevon | Guitar, Producer, Co-composer | Audio |
| 2005 | "The Longest Yard" (Movie) | Additional Original Music |
| 2006 | "The Benchwarmers" (Movie) | Original Music | Audio |
| 2006 | "Grandma's Boy" (Movie) | Original Music |
| 2008 | "Strange Wilderness" (Movie) | Original Music | Audio |
| 2008 | "The House Bunny" (Movie) | Original Music |
| 2008 | "Late Night With David Letterman" | Guitar, Background Vocals | | Video | Photos |
| 2008 | The Jewish Songbook: The Heart & Humor of a People | Guitar, Arranger, Conductor | Audio |
| 2009 | "Paul Blart: Mall Cop" (Movie) | Original Music |
| 2009 | Covered, A Revolution In Sound | Guitar, Background Vocals, Arranger | Audio |
| 2009 | Bridge School Benefit Concert | Guitar, Harmony Vocals, Co-composer, Musical Director | | Video | Photos |
| 2000’s | Waddy Wachtel Band 9/15/2008 and 12/14/2009 | Lead Guitar, Vocals, Musical Director | | | Photos |
| 2011 | "Bucky Larson: Born to Be a Star" (Movie) | Original Music |
| 2011 | "Jack and Jill" (Movie) | Original Music |
| 2013 | Festival Supreme | Lead Guitar, Musical Director | | Videos |
| 2015 | "Joe Dirt 2: Beautiful Loser" (Movie) | Original Music |
| 2017 | "Sandy Wexler" (Movie) | Actor | | Video | Photo |
| Gabe Saporta | 2011 | Buddy Holly Tribute Concert | Guitar, Musical Director | | Video | Photo |
| Savana | 2007 | Redbird | Electric Slide Guitar | Audio |
| Leo Sayer | 1978 | Leo Sayer | Electric Guitar, Acoustic Guitar, Lead Guitar, Rhythm Guitar, Slide Guitar | Audio |
| 1996 | The Show Must Go On: The Anthology (Compilation) | Acoustic Guitar, Electric Guitar, Slide Guitar | Audio |
| 2000 | The Very Best of Leo Sayer (Compilation) | Acoustic Guitar, Electric Guitar, Slide Guitar | Audio |
| 2000’s | Waddy Wachtel Band 2/12/2001 and 5/20/2002 | Guitar |
| Boz Scaggs | 2011 | Buddy Holly Tribute Concert | Guitar, Harmony Vocals, Musical Director | | Video | Photo |
| Bob Seger & the Silver Bullet Band | 1982 | The Distance | Guitar | Audio |
| 1991 | The Fire Inside | Acoustic Guitar, Electric Guitar | Audio |
| 1994 | Greatest Hits [Compilation] | Guitar | Audio |
| 2003 | Greatest Hits, Vol. 2 (Compilation) | Guitar | Audio |
| Maxine Sellers | 1975 | Life Is Short But It's Wide | Guitar |
| Julian Shah-Tayler | 2014 | The Mighty Met Acoustic Flashback Benefit for Paraquat Kelley | Guitar, Vocals | | | Photo |
| Shakira | 2014 | 62nd Annual BMI Pop Awards | Acoustic Guitar, Musical Director |
| Nancy Shanx | 1977 | Nancy Shanx | Guitar |
| Feargal Sharkey | 1988 | Wish | Guitar, Co-composer | Audio |
| Glenn Shorrock | 1983 | Villain of the Peace | Guitar | Audio |
| Silver Condor | 1983 | Trouble at Home | Guitar | Audio |
| Valerie Simpson | 2014 | A Song Is Born 16th Annual Grammy Foundation Legacy Concert | Acoustic Guitar |
| Earl Slick | 2013 | Rock & Roll Hall of Fame Music Masters tribute to The Rolling Stones | Guitar, Vocals | | | Photo |
| Slick Lilly | 1994 | Rituals | Producer | Audio | | Photo |
| P. F. Sloan | 2009 | Waddy Wachtel Band 3/23/09 | Lead Guitar, Vocals, Musical Director | | | Photos |
| Derek Smalls | 2018 | Smalls Change (Meditations Upon Ageing) | Guitar, Background Vocals | Audio | Video | |
| 2019 | Concert | Guitar, Background Vocals |
| Phoebe Snow | 1981 | Rock Away | Guitar | Audio |
| Tom Snow | 1976 | Tom Snow | Electric Guitar, Electric Slide Guitar | Audio |
| J. D. Souther | 1976 | Black Rose | Electric Guitar | Audio |
| 1979 | You’re Only Lonely | Guitar, Harmony Vocals, Arranger, Co-composer | Audio |
| 1980 | "Coast To Coast" Movie and Sound Track | Guitar, Harmony Vocals | Audio |
| 1981 | The California Live in Japan concerts | Guitar, Vocals | | | Photos |
| 1984 | Home By Dawn | Guitar, Guitar Solo, Co-composer | Audio |
| 1988 | "Permanent Record" Movie and Soundtrack | Producer, Guitar | Audio |
| 2007 | Border Town - The Very Best of J. D. Souther (Compilation) | Guitar | Audio |
| 2001 | Waddy Wachtel Band 5/7/2001, 5/21/2001, 7/2/2001 | Lead Guitar, Vocals, Musical Director |
| 2014 | A Song Is Born 16th Annual Grammy Foundation Legacy Concert | Acoustic Guitar | | Video | Photos |
| 2014 | Rock & Roll Hall of Fame Music Masters tribute to The Everly Brothers | Guitar, Vocals | | | Photos |
| Spinal Tap | 1992 | Break Like the Wind | Slide Guitar | Audio |
| Splinter | 1975 | Harder to Live | Guitar | Audio |
| Billy Squier | 2008 | Waddy Wachtel Band 8/4/2008 | Lead Guitar, Vocals, Musical Director | | | Photos |
| Harry Dean Stanton | 2006 | Waddy Wachtel Band 9/11/2006 | Lead Guitar, Vocals, Musical Director | | | Photos |
| Mavis Staples | 2002 | 50th BMI Pop Awards | Guitar |
| Ringo Starr | 1983 | Old Wave | Lead Guitar, Harmonica | Audio |
| 1992 | Time Takes Time | Guitar | Audio |
| Stealin’ Horses | 1985 | Stealin’ Horses | Electric Guitar | Audio |
| Van Stephenson | 1986 | Suspicious Heart | Guitar |
| 1984 | "The Wild Life" Movie | Guitar |
| Cat Stevens aka Yusuf Islam | 2014 | Rock and Roll Hall of Fame Induction Ceremony | Guitar, Background Vocals | | Video | Photo |
| John Stewart | 1975 | Wingless Angels | Electric Guitar, Slide Guitar | Audio |
| Rod Stewart | 1991 | Vagabond Heart | Guitar, Guitar Solo | Audio |
| 1993 | Lead Vocalist | Guitar |
| 2009 | The Rod Stewart Sessions 1971-1998 | Guitar | Audio |
| 2011 | Heart & Soul Tour (with Stevie Nicks) | Guitar | | Video | Photos |
| Sticky Fingers | 2012 | Like a Rolling Stone | Acoustic Guitar, Electric Guitar, Dobro, Slide Guitar, Guitar Solo | Audio | | Photo |
| Sting | 2002 | “Music to My Ears” Tribute Concerts to Timothy White | Guitar | | | Photo |
| The Vitamin String Quartet | 2003 | Dad Get Me Out Of This! The String Quartet Tribute to Warren Zevon | Co-composer |
| Andrew Strong | 1993 | Strong | Guitar | Audio |
| 2004 | The Best of the Commitments | Guitar | Audio |
| Patrick Stump | 2011 | Buddy Holly Tribute Concert | Guitar, Musical Director | | Video | Photo |
| Sugar Blue | 2013 | Rock & Roll Hall of Fame Music Masters tribute to The Rolling Stones | Guitar, Vocals | | | Photo |
| Kiefer Sutherland | 2019 | Reckless & Me | Electric Guitar | Audio | | |
| Michael Sweet | 1995 | Real | Guitar Solos | Audio |
| Taylor Swift | 2010 | 52nd Grammy Awards | Guitar |
