Komponisten von A-Z
- El-Khoury, Bechara (1957–)
- Kabalewsky, Dimitri (1904–1987)
- Kabelac, Miloslav (1908–1979)
- Käser, Mischa (1959–)
- Kagel, Mauricio (1931–2008)
- Kahle, Johann Justus (1668–1740)
- Kahn, Erich Itor (1905–1956)
- Kahrs, Sven Lyder (1959–)
- Kaipainen, Jouni (1956–2015)
- Kaiser-Lindemann, Wilhelm (1940–2010)
- Kajanus, Robert (1856–1933)
- Kakabadse, Lydia (1955–)
- Kalabis, Viktor (1923–2006)
- Kalinnikoff, Wassilij (1866–1901)
- Kalitzke, Johannes (1959–)
- Kalkbrenner, Friedrich (1785–1849)
- Kallstenius, Edvin (1881–1967)
- Kalman, Emmerich (1882–1953)
- Kalnins, Imants (1941–)
- Kalomiris, Manolis (1883–1962)
- Kamieniak, Tomasz (1981–)
- Kaminski, Heinrich (1886–1946)
- Kampe, Gordon (1976–)
- Kancheli, Giya (1935–)
- Kandov, Alexander (1949–)
- Kangro, Raimo (1949–2001)
- Kania, Emanuel (1827–1887)
- Kapp, Artur (1878–1952)
- Kapralova, Vitezslava (1915–1940)
- Kapsberger, Giovanni (1580–1651)
- Kapustin, Nikolai (1937–)
- Karabyts, Ivan (1945–2002)
- Karaindrou, Eleni (1939–)
- Karajew, Faradj Karagoli (1943–)
- Karamanuk, Sirvart (1912–)
- Karayev, Kara (1918–1982)
- Karchin, Louis (1951–)
- Karetnikov, Nikolai (1930–1994)
- Karg-Elert, Sigfrid (1877–1933)
- Karkoff, Ingvar (1958–)
- Karkoff, Maurice (1927–)
- Karkoschka, Erhard (1923–2009)
- Karlsen, Kjell Mork (1947–)
- Karlsson, Erik Mikael (1967–)
- Karlsson, Lars (1953–)
- Kasemets, Udo (1919–2014)
- Kaski, Heino (1885–1957)
- Kasparov, Juri (1955–)
- Kassia, (0810–0867)
- Kastalsky, Alexander (1856–1926)
- Kats-Chernin, Elena (1957–)
- Kattnig, Rudolf (1895–1955)
- Katzer, Georg (1935–)
- Kauder, Hugo (1888–1972)
- Kaufmann, Dieter (1941–)
- Kay, Don (1933–)
- Kayser, Philipp Christoph (1755–1823)
- Kayser, Leif (1919–2001)
- Keiser, Reinhard (1674–1739)
- Kelemen, Milko (1924–2018)
- Keller, Hermann (1945–2018)
- Keller, Max (1770–1855)
- Keller, Christoph J. (1959–)
- Kelley, Edgar Stillman (1857–1944)
- Kellner, David (1670–1748)
- Kelly, Bryan (1934–)
- Kelterborn, Rudolf (1931–)
- Kempff, Wilhelm (1895–1991)
- Kempis, Nicolaus a (1600–1676)
- Kempter, Karl (1819–1871)
- Kerer, Manuela (1980–)
- Kerker, Gustave (1857–1923)
- Kerll, Johann Caspar (1627–1693)
- Kern, Frida (1891–1988)
- Kern, Jerome (1885–1945)
- Kern, Matthias (1928–)
- Kernis, Aaron Jay (1960–)
- Kerry, Gordon (1961–)
- Kessler, Thomas (1937–)
- Ketelbey, Albert (1875–1959)