- Létang, Désiré (1858-)
- Letch, Edward A.
- Letellier, Gérard
- Letendre, Conrad (1904-1977)
- Letocart, Henri Victor Jean (1886-1945)
- Letondal, Joseph August (Arthur) (1869-1956)
- Letourneau, Joseph Hercule Omer (1891-1983)
- Letrange
- Letts, Ralph (1887-)
- Leu, Hans Bernhard (1930-)
- Leuenberger, Adolf (1872-1903)
- Leumas, Wilfred Percival
- Leupoid, Anton Wilhelm (1868-1940)
- Leupold, Dr Ulrich Siegfried (1909-1970)
- Leupold, Wayne
- Leutert, Hansjürg (1935-)
- Levadé, Charles Gaston (1869-1948)
- Level, Pierre Yves (1937-)
- Levergeois, Abbé Anatole Adolphe (-1972)
- Levers, Carrie (1902-)
- Leverton, Wilfrid Pawley (1895-)
- Levett, James Alfred (1909-)
- Levi, Dr Sabin (1970-)
- Levin, Gregory (1943-)
- Levine, David
- Lévy, Ernst (1895-1981)
- Levy, Frank Ezra (1930-)
- Lévy, Lazare (1882-1964)
- Lewandoeski, Louis (1821-1894)
- Lewis, Anthony Carey (1915-)
- Lewis, Charles Frederick (1863-)
- Lewis, Frank (1868-)
- Lewis, Frank William (1886-)
- Lewis, Harold William
- Lewis, Henry Vincent
- Lewis, Dr Huw
- Lewis, Idris (1889-1952)
- Lewis, John
- Lewis, James Henry (1856-1925)
- Lewis, John Islwyn (1894-)
- Lewis, John Leo (1911-1971)
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- Lewis, Katherine
- Lewis, Reginald Silby (1890-)
- Lewis, Thomas (-1674)
- Lewis, Thomas Christopher (1833-1915)
- Lewis, Thomas William (1863-1942)
- Lewis, Vivian Anthony (1926-)
- Lewis, Walter
- Lewis, Walter H.
- Lewis, Wyndham George (1910-)
- Lewis & Co.
- Lewkovitch, Bernhard (1927-)
- Ley, Dr Henry George (1887-1962)
- Ley, Hermann (1845-1930)
- Leybach, Ignace Xavier Joseph (1817-1891)
- Leyding, Georg Dietrich (1664-1710)
- Leyland, Edwin (1866-)
- Leyte da Costa, José
- Liapounov, Sergei Mikhailovich (1859-1924)
- Libaek, Sven (1938-)
- Libert, Henri (1869-1937)
- Liberti, Hendrik (c1600-c1661)
- Lichey, Reinhold (1879-1957)
- Lichfield, Robert (-1582)
- Lichner, Heinrich (1829-)
- Lichtwark, Karl (1859-1931)
- Lickford, Leslie Alfred (1902-)
- Lickl, Karl Georg (1801-1877)
- Liddell, Matthew (1902-)
- Liddicott, Philip William (1920-)
- Liddle, David Aprahamian (1960-)
- Liddle, Robert William (1864-)
- Lidón Blásquez, José (1752-1827)
- Lidström, John (1957-)
- Lieb, Franz Xaver
- Liebau, Friedrich Wilhelm (1802-1843)
- Liebe, Eduard Ludwig (1819-1900)
- Liebermann, Dr Lowell (1961-)
- Liebeskind, Joseph (1866-1916)
- Liebig, L.
- Lien, Hans Olav (1954-)
- Lieurance, Thurlow Weed (1878-1963)
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Organist 
Organist & composer 
Composer 
Organ builder 
Other
