| S | | | | Audio | Video | Photo |
|---|
| Sandy Salisbury | 2000 | "Sandy" | Guitar |
| David Sanborn | 1979 | “Hideaway” | Electric Guitar |
| Sand Rubies | 1993 | "Sand Rubies" | Producer |
| 1998 | "Return of the Living Dead" | Producer |
| Adam Sandler | | Photos of Waddy Wachtel with Adam Sandler | |
| | Videos of Waddy Wachtel with Adam Sandler | |
| 1996 | "What the Hell Happened to Me?" Album and Tour | Musical Director, Arranger, Guitar | 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 and Electric Guitar | Audio | | Photo |
| 2004 | ”Enjoy Every Sandwich: The Songs of Warren Zevon" | Guitar, 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, Vocals | Audio |
| 2009 | Bridge School Benefit Concert | Guitar, Vocals, Composer | | Video | Photos |
| 2000’s | Waddy Wachtel Band 9/15/2008 and 12/14/2009 | Guitar, Vocals | | | Photos |
| 2011 | "Bucky Larson: Born to Be a Star" (Movie) | Original Music |
| 2011 | "Jack and Jill" (Movie) | Original Music |
| Gabe Saporta | 2011 | Buddy Holly Tribute Concert | Guitar, Musical Director | | Video | Photo |
| Savana | 2007 | “Redbird” | Slide Guitar |
| Leo Sayer | 1978 | ”Leo Sayer” | Slide Guitar | Audio |
| 1996 | "The Show Must Go On: The Anthology" (Compilation) | Acoustic, Electric and Slide Guitar | Audio |
| 2000 | "The Very Best of Leo Sayer (Compilation) | Acoustic, Electric and 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 and 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 is Wide” | Guitar |
| Nancy Shanx | 1977 | “Nancy Shanx” | Guitar |
| Feargal Sharkey | 1988 | "Wish" | Guitar, Composer | Audio |
| Glenn Shorrock | 1983 | "Villain of the Peace" | Guitar | Audio |
| Silver Condor | 1983 | “Trouble at Home” | Guitar | Audio |
| Slick Lilly | 1994 | "Rituals" | Producer |
| P. F. Sloan | 2009 | Waddy Wachtel Band 3/23/09 | Guitar | | | Photos |
| Phoebe Snow | 1981 | “Rock Away” | Guitar | Audio |
| Tom Snow | 1976 | “Tom Snow” | Guitar | Audio |
| J. D. Souther | 1976 | “Black Rose” | Guitar | Audio |
| 1979 | “You’re Only Lonely” | Guitar, Vocals, Composer | Audio |
| 1980 | "Coast To Coast" Movie and Sound Track | Guitar | Audio |
| 1984 | “Home By Dawn” | Guitar, Composer |
| 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 | Guitar, Vocals |
| 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 | Guitar | | | Photos |
| Harry Dean Stanton | 2006 | Waddy Wachtel Band 9/11/2006 | Guitar | | | Photos |
| Mavis Staples | 2002 | 50th BMI Pop Awards | Guitar |
| Ringo Starr | 1983 | “Old Wave” | Guitar | Audio |
| 1992 | “Time Takes Time” | Guitar |
| Stealin’ Horses | 1985 | “Stealin’ Horses” | Guitar | Audio |
| Van Stephenson | 1986 | "Suspicious Heart" | Guitar | Audio |
| 1984 | "The Wild Life" movie | Guitar | Audio |
| John Stewart | 1975 | ”Wingless Angels” | Electric and Slide Guitar | Audio |
| Rod Stewart | 1991 | “Vagabond Heart” | Guitar |
| 1993 | “Lead Vocalist” | Guitar |
| 2009 | “The Rod Stewart Sessions 1971-1998” | Guitar | Audio |
| 2011 | Heart & Soul Tour (with Stevie Nicks) | Guitar | | Video |
| Sting | 2002 | “Music to My Ears” Tribute Concerts to the Legendary Music Journalist Timothy White | Guitar | | | Photo |
| String Quartet | 2003 | “String Quartet Tribute to Warren Zevon: Dad Get Me Out Of This” | Composer |
| Andrew Strong | 1993 | “Strong” | Guitar | Audio |
| 2004 | “Best of the Commitments” | Guitar | Audio |
| Patrick Stump | 2011 | Buddy Holly Tribute Concert | Guitar, Musical Director | | Video | Photo |
| Michael Sweet | 1995 | "Real" | Guitar |
| Taylor Swift | 2010 | 52nd Grammy Awards | Guitar |
