Komponisten von A-Z
- de Laserna, Blas (1751–1816)
- de Ledesma, Juan (1713–1781)
- de Leeuw, Ton (1926–1996)
- de Lhoyer, Antoine (1768–1840)
- de Literes, Antonio (1673–1747)
- di Lasso (Lassus), Orlando (1532–1594)
- Freiherr von Lannoy, Eduard (1787–1853)
- Labor, Josef (1842–1924)
- Lacaze, Sophie (1963–)
- Lachenmann, Helmut (1935–)
- Lachner, Vinzenz (1811–1893)
- Lachner, Franz (1803–1890)
- Lachner, Ignaz (1807–1895)
- la Cour, Niels (1944–)
- Laderman, Ezra (1924–2015)
- Lahusen, Christian (1886–1975)
- Laitenberger, Theophil (1903–1996)
- Laitman, Lori (1955–)
- Lajtha, Laszlo (1892–1963)
- Lakner, Yehoshua (1924–2003)
- Laks, Simon (1901–1983)
- Lalo, Edouard (1823–1892)
- Lamb, Siobhan
- Lamb, Robert (1931–)
- Lambert, John (1926–1995)
- Lambert, (1982–)
- Lambert, Michel (1610–1696)
- Lambert, Lucien-Leon Guillaume (1858–1945)
- Lambert, Paul Tony
- Lambertini, Giovan Tomaso (1530–1593)
- Lamond, Frederic (1868–1948)
- Lampel, David (1959–)
- Lampson, Elmar (1952–)
- Lanchares, Santiago (1952–)
- Lancino, Thierry (1954–)
- Landi, Stefano (1587–1639)
- Landini, Francesco (1325–1397)
- Landini, Carlo Alessandro (1954–)
- Lang, Thierry (1956–)
- Lang, David (1957–)
- Lang, Johann Georg (1722–1798)
- Lang, Margaret Ruthven (1867–1972)
- Lang, Klaus (1971–)
- Lang, Peter Helmut
- Langberg, Peter (1945–)
- Lange-Müller, Peter Erasmus (1850–1926)
- Langgaard, Rued (1893–1952)
- Langgaard, Siegfried (1852–1914)
- Langlais, Jean (1907–1991)
- Langlotz, Lukas (1971–)
- Lanner, Josef (1801–1843)
- Lansky, Paul (1944–)
- Lantins, Arnold de (1400–1432)
- Lanzetti, Salvatore (1710–1780)
- Laporte, Andre (1931–)
- Larchet, John Francis (1884–1967)
- Larsson, Lars-Erik (1908–1986)
- Larsson Gothe, Mats (1965–)
- LaSalle, Rick (1951–)
- Lassen, Eduard (1830–1904)
- Lasser, Philip (1963–)
- Lauber, Joseph (1864–1952)
- Lauck, Thomas (1943–)
- Laufenberg, Heinrich (1390–1460)
- Launis, Armas (1884–1959)
- Laurenti, Bartolomeo (1644–1726)
- Lauridsen, Morten (1943–)
- Lauro, Antonio (1917–1986)
- Laurusas, Vytautas (1930–)
- Lavista, Mario (1943–)
- Lawes, William (1602–1645)
- Lawes, Henry (1596–1662)
- Lawson, Chad
- Lay, Raoul (1964–)
- Lazaroff, Henri (1932–2013)
- Lazkano, Ramon (1968–)
- Lazzari, Sylvio (1857–1944)
- Leach, Mary Jane (1949–)
- Lea-Cox, Peter (1945–)
- LeBaron, Anne (1953–)