Composers from A-Z
- Krüger, Matthias (born 1987)
- Krüger, Matthias Sebastian (born 1980)
- Kuch, Andreas (2. Hälfte 20. Jahrhundert)
- Kuchenmeister, Bernd (20. Jahrhundert)
- Küchler, Ferdinand (1867-1937)
- Kücken, Friedrich Wilhelm (1810-1882)
- Küffner, Joseph (1776-1856)
- Kugelmann, Johannes (1495-1542)
- Kugler, Harald
- Kugler, Franz (1808-1858)
- Kuhl, Jan Esra (born 1988)
- Kuhlau, Friedrich (1786-1832)
- Kühmstedt, Friedrich (1809-1858)
- Kuhn, Dennis (born 1957)
- Kuhn, Eva (21. Jahrhundert)
- Kuhnau, Johann (1660-1722)
- Kühne, Jeremias Nikolaus Wilhelm (1807-1871)
- Kühnel, August (1645-1700)
- Kühnel, Friedrich (1820-1878)
- Kühnel, Johann Michael (1670-1728)
- Kühnl, Claus (born 1957)
- Kukuck, Felicitas (1914-2001)
- Kullak, Theodor (1818-1882)
- Kulling, Arthur (1926-2009)
- Kummer, Caspar (1795-1870)
- Kummer, Gotthelf Heinrich (1774-1857)
- Kummer, Friederich August (1797-1879)
- Kunad, Rainer (1936-1995)
- Kunkel, Liselotte (born 1975)
- Künneke, Eduard (1885-1953)
- Künstel, Johann Georg (1645-1695)
- Kuntze, Johann Christian (1747-1821)
- Kunz, Max (1812-1875)
- Kunze, Joachim J.K. (born 1966)
- Kunzen, Friedrich Ludwig Aemilius (1761-1817)
- Kuper, Eckhart (born 1961)
- Kürschner, Martina (born 1954)
- Kurz, Karl-Wieland (born 1961)
- Küßner, Leonard (born 1993)
- Kuwan, Rene (born 1983)
- Lachenmann, Helmut (born 1935)
- Lachner, Vinzenz (1811-1893)
- Lachner, Ignaz (1807-1895)
- Lachner, Franz (1803-1890)
- Lahusen, Christian (1886-1975)
- Laitenberger, Theophil (1903-1996)
- Lambert (born 1982)
- Lambert, Paul Tony (born 1982)
- Lambo, Knut (1714-1783)
- Lampe, John Frederick (1702-1751)
- Lampel, Samuel (1884-1942)
- Lampson, Elmar (born 1952)
- Landgraf von Hessen, Moritz (1572-1632)
- Landmann, Arno (1887-1966)
- Lang, Konrad (born 1943)
- Lang, Josephine (1815-1880)
- Lang, Peter Helmut (born 1974)
- Lang, Michael H. (born 1954)
- Lang, Benjamin (born 1976)
- Lang, Johann Georg (1722-1798)
- Langner, Wolfram (born 1956)
- Lapicida, Erasmus (1450-1547)
- LaSalle, Rick (born 1951)
- Laufenberg, Heinrich (1390-1460)
- Laufer, Norbert (born 1960)
- Lautenbach, Rainer (born 1962)
- Laux, Torsten (born 1965)
- le Beau, Luise Adolpha (1850-1927)
- Leberl, Rudolf (1884-1952)
- Lebrun, Ludwig August (1752-1791)
- Lee, Sebastian (1805-1887)
- Lehel, Peter (born 1965)
- Lehfuss, Augustin (born 1963)
- Lehmann-Horn, Markus (born 1977)
- Lehnen, Elmar (born 1965)
- Lehner, Franz Xaver (1904-1986)
- Lehrndorfer, Franz (1928-2013)
- Leidel, Wolf-Günther (born 1949)
- Leimer, Kurt (1920-1974)
- Leinert, Friedrich (1908-1975)