K
| Name | Year(s) | Appeared on | Instrument |
|---|---|---|---|
| Armand Kaproff | 1967 | Absolutely Free | Cello |
| Carol Kaye | 1966 | Freak Out! | 12-string guitar |
| Howard Kaylan | 1970–1972, 1988, 1989, 1992 | Chunga's Revenge, Fillmore East - June 1971, 200 Motels, Just Another Band from L.A., You Can't Do That on Stage Anymore, Vol. 1, You Can't Do That on Stage Anymore, Vol. 3, You Can't Do That on Stage Anymore, Vol. 6 | Vocals |
| Raymond Kelley | 1966, 1968 | Freak Out!, Lumpy Gravy | Cello |
| Gary Kellgren | 1968 | We're Only in It for the Money | Voice |
| Harold Kelling | 1968 | Lumpy Gravy | Voice |
| Mike Keneally | 1988, 1991, 1992, 2006 | Broadway the Hard Way, The Best Band You Never Heard in Your Life, You Can't Do That on Stage Anymore, Vol. 4, Make a Jazz Noise Here, You Can't Do That on Stage Anymore, Vol. 6, Trance-Fusion | Guitar, Keyboards, Vocals |
| Jerome A. Kessler | 1968, 1978, 1979, 1981, 1996, 2004, 2007, 2008 | Lumpy Gravy, Studio Tan, Orchestral Favorites, Tinseltown Rebellion, Läther, QuAUDIOPHILIAc, Wazoo, One Shot Deal | Cello |
| Kaigal-ool Khovalyg | 1994 | Civilization, Phaze III | Vocals |
| John Kilgore | 1968, 1981, 1985, 1994 | Lumpy Gravy, Shut Up 'n Play Yer Guitar, Frank Zappa Meets the Mothers of Prevention, Civilization, Phaze III | Voice |
| Pete Kleinow | 1972 | Waka/Jawaka | Pedal steel |
| Alexander Koltun | 1968 | Lumpy Gravy | Violin |
| Hermann Kretzschmar | 1993, 1994, 1999 | The Yellow Shark, Civilization, Phaze III, Everything Is Healing Nicely | Piano, Harpsichord, Celeste, Voice |
| Marty Krystall | 1983 | The Man from Utopia | Saxophone |
| Bernard Kundell | 1968 | Lumpy Gravy | Violin |
| William Kurasch | 1968 | Lumpy Gravy | Violin |
Read more about this topic: List Of Performers On Frank Zappa Records