- K -
- Kahn, Bonnie:
- 1965 Lyric Theater Company Grand Duke: Princess of Monte Carlo
- Kanouse, Monroe:
- 1996 A Song to Sing, O!: Conductor
- Kaye, Danny:
- 1949 Gilbert and Sullivan and Danny Kaye: Soloist
- Keane, John:
- 1986 Stratford Festival Gondoliers: Marco
- Keeble, Gaynor:
- 2000 New D'Oyly Carte Pinafore: Hebe
- Keith, Roger:
- 1982 BBC Trial Video: Foreman of the Jury
- Kell, Pamela:
- 1963 St. Alban's Rose of Persia: Honey-of-Life
- Kelleher-Flight, David:
- 2008 Ohio Light Opera Mikado: The Mikado
- Kellett, Noel T.:
- 1963 Lyric Theater Company Utopia: Mr. Blushington
- Kelly, Claire:
- 1991 New D'Oyly Carte Gondoliers: Inez
- Kelly, Janis:
- 1982 Brent Walker Sorcerer: Constance
- 1982 Brent Walker Pirates: Mabel
- Kemp, Norma:
- 1982 Prince Consort Emerald Isle: Susan
- Kennedy, Ian:
- 1984 S.A.S.S./Divine Art Cox & Box: Box
- Kennedy, Roderick:
- 1982 Brent Walker Patience: Major Murgatroyd
- Keosaian, David:
- 1986 UMGASS Pirates: Pirate King
- Ker, Thora:
- 1990 New D'Oyly Carte Mikado: Pitti-Sing
- Kern, Patricia:
- 1962 Sadler's Wells Iolanthe: Iolanthe
- 1962 Sadler's Wells Opera Mikado: Pitti-Sing
- 1966 BBC Princess Ida: Lady Psyche (music)
- 1981 Stratford Festival Pinafore: Little Buttercup
- Kernan, David:
- 1982 Brent Walker Sorcerer: Dr. Daly
- Kerr, Caroline:
- 2000 Prince Consort Haddon Hall: Gertrude
- Kettell, Henry:
- 1986 Royal Victorian Opera A Sensation Novel: Bus Conductor; Sir Ruthven Glenaloon
- 1996 Royal Victorian Opera No Cards: Mr. Ellis Dee
- Keyte, Christopher:
- 1962 World Record Club Pirates: Samuel
- 1962 World Record Club Gondoliers: Giuseppe
- 1989 BBC Sorcerer: Notary
- 1989 BBC Pinafore: Bob Becket
- Kimm, Fiona:
- 1982 Brent Walker Gondoliers: Tessa
- 1993 Karaoke Gilbert and Sullivan: Soloist
- King, Dennis:
- 1960 Bell Telephone Hour Mikado: The Mikado
- King, John:
- 1994 Mackerras/Telarc Pinafore: Bob Becket (part)
- King, Richard Lloyd:
- 1995 Hot Mikado: Pooh-Bah
- King's Singers, The:
- 1993 Here's a Howdy Do!
- Kinnear, Norma:
- 1986 Prince Consort Contrabandista: Inez di Roxhas
- Kirkby, Neil:
- 1989 Opera Australia Gondoliers: Antonio
- 1995 Opera Australia Patience: Major Murgatroyd
- Kirkby, Stanley:
- 1906 HMV Mikado: Ko-Ko (part); Pooh-Bah (part); Pish-Tush
- 1907 HMV Yeomen: Jack Point
- 1908 HMV Pinafore Excerpts: Captain Corcoran
- 1912 Edison Bell Mikado: Ko-Ko (part); Pooh-Bah
- Kirkwood, Maureen T.:
- 1986 UMGASS Pirates: Edith
- Kitchell, Alma:
- 1939 NBC TV Pirates: Ruth
- 1939 NBC TV Pinafore: Little Buttercup
- Kittask, Avo:
- 1981 Stratford Festival Pinafore: Dick Deadeye
- 1988 Stratford Festival Iolanthe: Private Willis
- Klayman, Ivor:
- 1989 Prince Consort Ivanhoe: Brian de Bois Guilbert
- Kline, Barbara:
- 1965 Lyric Theater Company Grand Duke: Bertha
- Kline, Kevin:
- 1981 Joseph Papp's Pirates: Pirate King
- Kline, Peter:
- 1963 Lyric Theater Company Utopia: King Paramount
- Knapp, Kyle:
- 2008 Ohio Light Opera Mikado: Nanki-Poo
- Knight, Gillian:
- 1960 D'Oyly Carte Iolanthe: Queen of the Fairies
- 1960 D'Oyly Carte Pinafore: Little Buttercup
- 1961 D'Oyly Carte Gondoliers: Duchess of Plaza-Toro
- 1961 D'Oyly Carte Patience: Lady Jane
- 1962 D'Oyly Carte Ruddigore: Dame Hannah
- 1964 D'Oyly Carte Yeomen: Dame Carruthers
- 1966 BBC Pirates: Kate (music)
- 1967 Halas & Batchelor Ruddigore: Dame Hannah
- 1969 Gilbert and Sullivan For All: Soloist
- 1982 Brent Walker Pirates: Ruth
- 1989 BBC Sorcerer: Lady Sangazure
- 1989 BBC Pinafore: Little Buttercup
- 1989 BBC Patience: Lady Jane
- 1989 BBC Iolanthe: Queen of the Fairies
- 1989 BBC Mikado: Katisha
- 1989 BBC Utopia: Lady Sophy
- 1989 BBC Grand Duke: Baroness von Krakenfeldt
- 1993 Mackerras/Telarc Pirates: Ruth
- 1997 The Best of Gilbert and Sullivan: Soloist
- 1999 Classic G&S: Soloist
- 2000 Symposium Martyr of Antioch: Soloist
- 2001 Carl Rosa Opera Mikado: Katisha
- Knight, Norma:
- 1978 Gilbert and Sullivan Highlights: Soloist
- 1979 More Highlights from Gilbert & Sullivan: Soloist
- Knight, Rebecca:
- 1999 Classic G&S: Soloist
- Knox, Grant:
- 2003 Ohio Light Opera Yeomen: First Yeoman
- 2003 Ohio Light Opera Grand Duke: Ernest Dummkopf
- 2005 Ohio Light opera Sorcerer: Alexis
- Korey, Alexandra:
- 1981 Joseph Papp's Pirates: Edith (recording)
- Korman, Beryl:
- 1982 Brent Walker Ruddigore: Zorah
- 1982 Brent Walker Yeomen: Kate
- 1988 Gilbert and Sullivan with Band and Voice: Soloist
- Korn, Richard:
- 1954 Allegro-Royale Mikado: Conductor
- Korshawn, Hege Marie:
- 2000 Ohio Light Opera Princess Ida: Chloe
- Kossow, Kathryn:
- 1963 Lyric Theater Company Utopia: Phylla
- Koyke, Hitzi:
- 1932 Civic Light Opera of NY Mikado: Yum-Yum
- Krahnke, Steven:
- 1986 UMGASS Pirates: Director
- Kroll, Louis/Lewis:
- 1932 Civic Light Opera of NY Pirates: Conductor
- 1932 Civic Light Opera of NY Mikado: Conductor
- Kuster, Annemarie:
- 1984 Der Mikado: Yam-Yam [sic]
