- Melander, Ernst (1856-1911)
- Melartin, Erkki Gustaf (1875-1937)
- Melby, James (1947-2000)
- Melby, Dr John (1941-)
- Melin, Hugo (1907-1998)
- Melin, Sten (1957-)
- Mellaaes, Arne (1933-)
- Mellalieu, William Norman (1886-)
- Mellberg, Sven (1908-2008)
- Meller, J.
- Mellers, Dr Wilfrid Howard (1914-)
- Mellin
- Melling, Rev. Ernest Harold (1869-)
- Mellnäs, Arne (1933-)
- Mellor, Albert (1859-1933)
- Meluzzi, Andrea (1836-1905)
- Meluzzi, Salvatore (1813-1897)
- Melville, Charles Edward (1862-1897)
- Melville, Harry (1875-)
- Menalt, Gabriel (-1687)
- Mendel, Johann Jacob (1809-1881)
- Mendelssohn, Arnold Ludwig (1855-1933)
- Mendelssohn, Fanny Cäcelie (1805-1847)
- Mendelssohn-Bartholdy, Jakob Ludwig Felix (1809-1847)
- Mendham, Geoffrey Leonard (1899-)
- Menegazzoli, Luigi (1880-1970)
- Mengelberg, Josef Willem (1871-1951)
- Menichetti, Dino (1918-)
- Mennigs, P. W.
- Menotti, Gian Carlo (1911-2007)
- Mens, Leonard (Leo) Johannes (1879-1960)
- Menzel, C.
- Menzies, Maxwell Graham (1912-)
- Merbeck, John (1523-c1585)
- Merbecke, John (1523-c1585)
- Mercer, E. G.
- Méreaux, Jean Amédée le Froid de (1802-1874)
- Méreaux, Joseph Nicolas le Froid de (1767-)
- Meredith, Geoffrey (1907-)
- Meredith, John (1881-)
- Meredith, William (-1637)
- Mergner, Friedrich (1818-1891)
- Merifield, John
- Merikanto, Aarre A. (1893-1958)
- Merikanto, Franz Oskar (1868-1924)
- Merk, Gustav (1849-)
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- Merkel, Gustav Adolf (Adolph) (1827-1885)
- Merkes van Gendt, Wilhelm
- Merklin, Joseph (1819-1905)
- Merklin, Schütze & Co.
- Merlin, Maurice Victor (-1933)
- Merlotti, Claudio (1533-1604)
- Mernier, Benoit (1964-)
- Merrifield, John (-1748)
- Merrikin, W. G.
- Merrill, Dr Charles Henry (1875-)
- Merriman, A. G.
- Merriott, Arthur
- Merritt, Charles E.
- Mertens, Hortense de (-1908)
- Merula, Tarquinio (c1594-1665)
- Merulo, Claudio (1533-1604)
- Merz, Karl (1836-1890)
- Mesangeau, René (-1639)
- Mesham, Rose (c1842-c1912)
- Messell, Erik (1891-1971)
- Messelt, J.
- Messer, Franz (1811-1860)
- Messerer, Henri (1838-1923)
- Messiaen, Olivier Eugène Prosper Charles (1908-1992)
- Messlinger, K.
- Messner, Josef (1893-1969)
- Messore, Guido (1934-)
- Mestres, Josep Maria (1929-)
- Metcalf, George Herbert (1861-)
- Metcalf, John W.
- Metcalfe, Richard Daniel (1856-)
- Metcalfe, R. W.
- Metcalfe, Major T. Washington (1884-)
- Metcalfe, William (c1829-1909)
- Meton, Valentin
- Metsch, Placidus (1700-1778)
- Mettenleiter, Bernhard (1822-1901)
- Mettenleiter, Johann Georg (1812-1858)
- Mettner, Carl (1820-1892)
- Metz, Günther (1925-)
- Metzger, Hans Arnold (1913-1977)
- Metzger, Stanley Gustave (1874-)
- Metzler, Friedrich (1910-1979)
- Metzler, George Joseph R. (1896-)
- Metzner, Arthur (-1914)
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Organist 
Organist & composer 
Composer 
Organ builder 
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