K
- Kamio, Mayuko
- Kammerakademie Potsdam
- Kammerchor Stuttgart
- Kammerorchester Basel
- Kammerorchester Wien - Berlin
- Kappell, William
- Kapp, Richard
- Karajan, Herbert von
- Karl Böhm
- Karl Böhm; Birgit Nilsson, Jon Vickers
- Karni, Gilad
- Kasarova, Vesselina
- Kat Edmonson
- Kateryna Titova
- Kathleen Battle, Frederica von Stade, Wynton Marsalis, Andri Previn, Orchestra of St. Luke's
- Kauten, Andrea
- Kavakos, Leonidas
- Kawamura, Hisako
- Kayah & Goran Bregovic
- Keb' Mo'
- Keene, Christopher
- Keenlyside, Simon
- Kennedy
- Kennedy, Nigel
- Kenny Burrell
- Kent Nagano
- Kermes, Simone
- Khatia Buniatishvili
- King's Singers, The
- Kirchhof, Lutz
- Kirchschlager, Angelika
- Kirchschlager, Angelika & Simon Keenlyside
- Kirschnereit, Matthias
- Kissin, Evgeny
- Kissin, Evgeny and James Levine
- Kitaenko, Dmitri
- Klaus Florian Vogt
- Klazz Brothers
- Klazz Brothers & Cuba Percussion
- Klazz Brothers & Edson Cordeiro
- Klazz Brothers feat. David Gazarov
- Kleiber, Carlos
- Klein, Emil
- Knabenchor Hannover
- Knights, The
- Kodo
- Kolev, Elin
- Kollo, René
- Kölmel, Philipp F.
- Kölner Klassik Ensemble
- Konrad Junghänel
- Konstantin Schenk
- Kosuge, Yu
- Koyama, Michie
- Kraus, Lili
- Krichel, Alexander
- Kristjan Järvi
- Krug, Manfred
- Kubelik, Rafael
- Kuhn, Gustav
- Kuijken, Sigiswald
- Kurt Adler; Leonie Rysanek, Irene Dalis, Franco Corelli, Nicolae Herlea, Giorgio Tozzi
- Kurt Eichhorn
- Kurt Masur
- Kurt Sanderling
- Kuss Quartett