| Lawrence Leonard, Members OF The B.B.C. Music Division, Morley College Symphony Orchestra | 1 | |
| Lawrence Leonard, Yvonne Arnaud, Gerard Hoffnung | 1 | |
| Lawrence Power | 1 | 2002 |
| Lawrence Siegel | 1 | 1981 |
| Lawrence Tibbett | 2 | 1931 - 1994 |
| Lawrence Winters | 4 | 1958 - 1968 |
| Lawrence Winters, Camilla Williams, Inez Matthews, Eddie Matthews, , Avon Long, June McMechen | 1 | |
| Lawrence Winters, Camilla Williams, Inez Matthews, Warren Coleman, Avon Long | 1 | |
| Layton James | 1 | |
| Lazar Berman | 10 | 1976 - 2012 |
| Lazar Berman, Berlin Philharmonic Orchestra, Herbert Von Karajan | 1 | 1993 |
| Lazar Berman, Berliner Philharmoniker, Herbert Von Karajan | 1 | |
| Lazar Berman, Carlo Maria Giulini, Giuseppe Sinopoli | 1 | 2012 |
| Lazar Berman, Christoph Eschenbach, Tamas Vasary | 1 | 2000 |
| Lazar Berman, London Symphony Orchestra, Claudio Abbado | 1 | 1977 |
| Lazar Berman, Tamas Vasary | 1 | 1993 |
| Lazar Berman, Vienna Symphony Orchestra, Carlo Maria Giulini | 1 | 2012 |
| Lazar Gozman | 1 | 1976 |
| Le Arts Florissants | 1 | |
| Le Arts Florissants, William Christie | 1 | 1992 |
| Le Ballet Français Orchestra | 1 | 1967 |
| Le Concert Des Nations | 1 | 1991 |
| Le Concert Spirituel | 1 | |
| Le Deller Consort De Londres - Le Morley Consort | 1 | |
| Le Grande Orchestre Symphonique De L'I.N.R. Belge, Bruxelles | 1 | |
| Lea De Boer | 1 | 1980 |
| Leah-Marian Jones | 1 | 1995 |
| Ledger | 1 | 1976 |
| Lee Cass | 1 | 1968 |
| Lee Duckles | 1 | 1967 |
| Lee Holdridge | 1 | |
| Lee Song-Ou | 1 | |
| Lee Stein | 2 | 1960 |
| Lee Venora | 1 | 1984 |
| Lee Venora, Jennie Tourel, Russell Oberlin, Charles Bressler, Norman Farrow, The Schola Cantorum, Hugh Ross, The New York Philharmonic Orchestra, Leonard Bernstein | 1 | 1984 |
| Leeds Festival Chorus | 4 | 1971 - 2011 |
| The Leeds Philharmonic Choir | 1 | 1962 |
| Leevi Madetoja | 1 | 2001 |
| Lehman Engel | 6 | 1959 - 1968 |
| Eugene Lehner | 1 | 1930 |
| Leif Asp | 2 | 1958 - 1974 |
| Leif Ove Andsnes | 2 | 1991 - 1998 |
| Leif Segerstam | 4 | 1994 - 2005 |
| Leigh Howard Stevens | 1 | 1989 |
| Leigh Nixon | 1 | 1979 |
| Leila Edwards | 1 | |
| Leipzig Gewandhaus Orchestra | 8 | 1961 - 2024 |
| Leipzig Gewandhaus Orchestra, Otmar Suitner | 1 | 1975 |
| Leipzig Gewandhaus Orchestra, Eduard Mauersberger | 1 | 1980 |
| Leipzig Gewandhaus Orchestra, Erhard Mauersberger | 1 | 1969 |
| Leipzig Gewandhaus Orchestra, Frans Konwitschny | 1 | |
| Leipzig Gewandhaus Orchestra, Herman Abendroth | 1 | 1964 |
| Leipzig Gewandhaus Orchestra, Kurt Masur | 1 | 1995 |
| Leipzig Gewandhaus Orchestra, Prague Radio Symphony Orchestra | 1 | |
| Leipzig Philharmonic Orchestra | 1 | 1963 |
| Leipzig Radio Chorus | 4 | 1975 - 1999 |
| Leipzig Radio Chorus, Dresden Philharmonic Orchestra, Herbert Kegel | 1 | 2006 |
| Leipzig Radio Chorus, Dresden State Orchestra, Colin Davis | 1 | 1999 |
| Leipzig Radio Chorus, Dresden State Orchestra, Peter Schreier | 2 | 1999 - 2011 |
| Leipzig Radio Chorus, Dresden State Orchestra, Silvio Varviso | 1 | 1999 |
| Leipzig Radio Chorus, Leipzig Gewandhaus Orchestra, Kurt Masur | 1 | 1999 |
| Leipzig Radio Chorus, Staatskapelle Dresden, Neville Marriner | 1 | 1986 |
| Leipzig Radio Symphony Orchestra | 1 | 1959 |
| The Leipzig Radio Symphony Orchestra | 1 | 1973 |
| Leipziger Gewandhaus-Orchester | 1 | 1961 |
| Leiziger Rundfunkchor Und Rundfunkorchester | 1 | 1981 |
| Leiziger Rundfunkchor Und Rundfunkorchester, D. Knothe | 1 | 1981 |
| Lejaren Hiller | 1 | |
| Lejaren Hiller, Leonard Isaacson, Robert Baker | 1 | 1967 |
| Leland Chen | 1 | 2007 |
| Lellia Gousseau | 1 | |
| Len Argent | 1 | 1967 |
| Lenard del Ferro | 1 | |
| Leningrad Chamber Orchestra | 1 | 1976 |
| Leningrad Philharmonic Orchestra | 18 | 1956 - 1995 |
| Leningrad Philharmonic Orchestra, Eduard Tchivshel | 1 | 1995 |
| Leningrad Philharmonic Orchestra, Eugen Mravinsky | 1 | |
| Leningrad Philharmonic Orchestra, Evgeny Mravinsky | 3 | 1978 - 1990 |
| Leningrad Philharmonic Orchestra, Gennadi Rozhdestvensky | 4 | 1966 - 1978 |
| Leningrad Philharmonic Orchestra, Jewgenij Mrawinskij | 1 | 1960 |
| Leningrad Philharmonic Orchestra, Valentin Koshin | 1 | 1995 |
| Leningrad Philharmonic Orchestra, Viktor Fedotov | 1 | 1995 |
| Leningrad Philharmonic Symphony Orchestra, Igor Blazhkov | 1 | 1970 |
| Leningrad State Philharmonic Symphony Orchestra | 1 | 2007 |
| Leningrad Symphony Orchestra | 1 | 1979 |
| Leningrad Symphony Orchestra, A. Dmitriev | 1 | 1997 |
| Leningrad Symphony Orchestra, Yuri Temirkanov | 1 | 1979 |
| Leningrader Philharmonie | 4 | 1956 - 1995 |
| Leningrader Philharmonie, Jewgenij Mrawinskij | 2 | 1977 |
| Lennart Hedwall | 1 | 1997 |
| Lennox Berkeley | 8 | 1973 - 2024 |
| Lenny Sayers | 1 | 2008 |
| Lenox Quartet | 1 | 1973 |
| Leo Artok | 1 | 1958 |
| Leo Bernache | 1 | 1950 |
| Leo Blech | 8 | 1927 - 1958 |
| Leo Borchard | 1 | |
| Leo Brouwer | 2 | 1993 - 1998 |
| Leo Czermak | 1 | |
| Léo Delibes | 94 | 1928 - 2024 |
| Léo Delibes, Andre Messager | 1 | |
| Leo Dolan | 1 | 2022 |
| Leo Driehuis | 1 | |
| Leo Driehuys | 2 | 1989 - 1999 |
| Leo Driehuys, Roberto Michelucci, I Musici | 4 | 1961 - 1999 |
| Leo Fall | 9 | 1956 - 1972 |
| Leo Feigin | 1 | |
| Leo Gantz | 2 | 1981 - 1988 |
| Leo Heppe | 1 | 1986 |
| Leo Korchin | 1 | |
| Leo Litwin | 3 | 1949 - 1970 |
| Leo Litwin, Pasquale Cardillo, Earl Wild | 1 | |
| Leo Mattes | 2 | 1979 |
| Leo Nadelmann | 1 | |
| Leo Nucci | 4 | 1987 - 1996 |
| Leo Nucci With The Orchestra Del Teatro Comunale Di Bologna | 1 | 1991 |
| Leo Oostdam | 1 | 1958 |
| Leo Pudis | 5 | 1959 - 1963 |
| Leo Rostal | 1 | |
| Leo Samama | 1 | |
| Leo Saurer | 1 | |
| Leo Schottländer | 3 | 1959 |
| Leo Slezak | 4 | |
| Leo Smit | 1 | 1981 |
| Leo Stein | 15 | 1955 - 1992 |
| Leo van der Lek | 1 | 1973 |
| Leo Weiner | 6 | 1954 - 1999 |
| Leon Barzin | 1 | |
| Léon Boëllmann | 4 | 1974 - 2004 |
| Léon Durocher | 2 | 1960 |
| Leon Escalais | 2 | 1957 |
| Leon Fleischer | 1 | 1958 |
| Leon Fleisher | 5 | 1956 - 1998 |
| Leon Fleisher, Cleveland Orchestra, George Szell | 2 | 1956 - 1992 |
| Leon Fleisher, Boston Symphony Orchestra, Seiji Ozawa | 1 | 1992 |
| Leon Goosens | 1 | |
| Leon Goossens | 2 | 1960 - 1962 |
| Leon Goossens, Edward Walker, George Crozier, George Thalben-Ball | 1 | 1982 |
| Leon Jessel | 10 | 1959 - 1993 |
| Leon Jessell | 1 | |
| Leon Litwin | 1 | |
| Léon Orthel | 2 | 1999 - 2007 |
| Leon Pascal | 3 | 1955 |
| Leon Pommers | 3 | 1957 - 1958 |
| Leon Spierer | 3 | 1968 - 1985 |
| Leon Spierer, Eberhard Finke | 1 | |
| Leon Spierer, Ebherhard Finke, Berlin Philharmonic Orchestra, Mstislav Rostropovich | 1 | |
| Léon Vasseur | 1 | 1977 |
| Leonard Arner | 1 | |
| Leonard Bernstein | 147 | 1953 - 2014 |
| Leonard Bernstein, Aaron Copland, Morton Gould | 1 | |
| Leonard Bernstein, Eugene Ormandy | 1 | |
| Leonard Bernstein, New York Philharmonic | 1 | 1974 |
| Leonard Bernstein, New York Philharmonic, The Camerata Singers, Abraham Kaplan | 1 | 1965 |
| Leonard Bernstein, New York Philharmonic, The Camerata Singers, Abraham Kaplan, John Bogart | 1 | 1965 |
| Leonard Bernstein, Noami and Ruth Segal | 1 | |
| Leonard Bernstein, Pierre Boulez, Luciano Berio | 1 | 1969 |
| Leonard Bernstein, Warren Martin | 1 | |
| Leonard Berstein | 1 | |
| Leonard Brain | 2 | 1958 |
| Leonard Brain, Royal Philharmonic Orchestra, Anthony Collins | 1 | 1994 |
| Leonard Epstein | 1 | 1975 |
| Leonard Friedman | 1 | 1978 |
| Leonard Hirsh | 1 | 1995 |
| Leonard Hokanson | 5 | 1968 - 1993 |
| Leonard Hokanson, Kurt Redel | 2 | |
| Leonard Isaacson | 1 | |
| Leonard Kranendonk | 1 | 1950 |
| Leonard Osborn | 2 | |
| Leonard Pennario | 33 | 1953 - 2000 |
| Leonard Pennario, Boston Pops Orchestra, Arthur Fiedler | 1 | 1997 |
| Leonard Pennario, Concert Arts Symphony Orchestra, Vladimir Golschmann | 1 | 1995 |
| Leonard Pennario, Hollywood Bowl Symphony Orchestra, Miklos Rosza | 1 | 1995 |
| Leonard Pennario, Kathryn Stott, Alexis Weissenberg, Byron Janis, Anna Moffo | 1 | |
| Leonard Pennario, Los Angeles Philharmonic Orchestra, Erich Leinsdorf | 1 | 1995 |
| Leonard Pennario, Martin Jones, Richard McMahon, Daniel Petrov. Edward Bruce, Anna Moffo | 1 | |
| Leonard Pennario, Philharmonia Orchestra, Erich Leinsdorf | 1 | 1987 |
| Leonard Pennario, San Francisco Symphony Orchestra, Enrique Jorda | 1 | 1997 |
| Leonard Pennario, St. Louis Symphony Orchestra, Vladimir Golschmann | 2 | 1955 - 2000 |
| Leonard Posella | 1 | 1975 |
| Leonard Raver | 2 | 1986 |
| Leonard Rose | 8 | 1952 - 1993 |
| Leonard Rose, Leonid Hambro | 1 | |
| Leonard Rose, New York Philharmonic, George Szell | 1 | 1952 |
| Leonard Rose, New York Philharmonic, Leonard Bernstein | 1 | 1993 |
| Leonard Rosenman | 1 | |
| Leonard Salzedo | 2 | 1964 - 1974 |
| Leonard Slatkin | 15 | 1981 - 2005 |
| Leonard Slatkin And The London Philharmonic | 1 | 1994 |
| Leonard Sorkin | 4 | 1962 - 1973 |
| Leonard Stein | 2 | 1957 - 1969 |
| Leonard Warren | 12 | 1949 - 1981 |
| Leonard Warren, Giorgio Tozzi, Rome Opera House Orchestra - Arturo Basile | 1 | 1976 |
| Leonard Warren, Nathaniel Sprinzena, Thomas Motto | 1 | 1957 |
| Leonard Warren, Paul Franke, Robert Merrill, Victoria De Los Angeles | 1 | 1957 |
| Leonardo García Alarcón | 1 | |
| Leonardo Leo | 1 | 2017 |
| Leonardo Monreale | 3 | 1960 - 1978 |
| Leone Emanuele Bardare | 1 | 1999 |
| Leone Leoni | 1 | 2003 |