- Bortnianski, Dmitry Stepanovich (1751-1825)
- Borton, Robert (John)
- Börtz, Daniel (1943-)
- Borucchia, Nino (1902-)
- Borup-Jørgensen, Axel (1924-)
- Boseley, William Dymore (1873-)
- Bosch, Pieter Joseph van den (c1736-1803)
- Bosco, Gilberto (1946-)
- Boseley, W. Dymore
- Boslet, Ludwig (1860-1951)
- Bosomworth, Jessie Amelia Ramsey
- Boss, Cris (Chris) (1912-1968)
- Bossert, Christoph Traugott (1957-)
- Bossi, Costante Adolfo (1876-1953)
- Bossi, Marco Enrico (1861-1925)
- Bossi, Pietro (1834-1896)
- Bossi, Rinaldo Renzo (1883-1965)
- Bossler, Kurt (1911-1976)
- Bostock, Alfred Edward (c1863-)
- Bots, Gerardus Lucas (1859-)
- Bottazzi, Fra Bernardino
- Bottazzo, Luigi (1845-1924)
- Böttcher, Eberhard (1934-)
- Bottenberg, Dr Wolfgang Heinz Otto (1930-)
- Botti, Giovanni Battista
- Bottigliero, Eduardo (1864-1937)
- Botting, Dr Herbert William (1869-1909)
- Bottomley, Harold Edgar (1894-)
- Bottomley, Herbert (1900-)
- Bottomley, John E.
- Bottomley, Joseph (1786-)
- Botwood, Richard Vaughn (1873-)
- Bouchard, Antoine Rodrigue Albert (1932-)
- Bouchard, George A.
- Bouché, Charles
- Boucher, Edgar W. J. (1918-)
- Boucher, Maurice-Georges-Eugène le (1882-1964)
- Boucher, Roger (1885-c1916)
- Boucheron, Raimondo (1800-1876)
- Bouchier, Harold Marshall (1904-)
- Boucourechliev, André (1925-1997)
- Bougeat, Paolo (1963-)
- Boughen, Dr Robert
- Bouichère, Émile (1861-1895)
- Boulanger, Nadia Juliette (1887-1979)
- Boulay, Joséphine Pauline (1869-1925)
- Boulding, James Frederick (1915-)
- Bouldjoua, Daniel (1948-)
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- Boulfart, C. (G.)
- Boulnois, Joseph (1884-1918)
- Boulnois, Michel (1907-)
- Bouman, A.
- Bouman, C. Arie
- Bouman, Paul (1918-)
- Boundy, Kate Emma (c1865-1913)
- Bourdon, Émile (1884-1974)
- Bourgault-Ducoudray, Louis Albert (1840-1910)
- Bourgeois, Derek David (1941-)
- Bourgeois, Abbé Lucien Le (1847-)
- Bouriello, François (1866-1929)
- Bourland, Roger (1952-)
- Bourlay, Louis Antoine
- Bourne, Frederick Thomas (1900-)
- Bourne, Thomas William (-1948)
- Boursy, Richard Francis (1960-)
- Bousch, François (1946-)
- Boustead, John Melville (1854-1920)
- Bousted, Donald (1957-)
- Bouting, Jean Baptiste Joseph (1725-1782)
- Bouval, Jules Henri (1867-1914)
- Bouvard, Jean (1905-1996)
- Bovet, Guy (1942-)
- Bovey, Pierre André (1942-)
- Bovington, Thomas John (1847-)
- Bowater, Helen (1952-)
- Bowden, Harold Duncan (1888-)
- Bowden, Thomas Mitchell (1910-)
- Bowden, W. J. (1857-)
- Bowdler, Cyril William (1839-1918)
- Bowen, E. J.
- Bowen, Edwin York (1884-1961)
- Bowen, Geraint
- Bowen, Randall (1889-)
- Bower, Sir John Dykes (1905-1981)
- Bower, Neville Courtenay (1934-)
- Bowers, H. Lendon
- Bowers, Robert (-1704)
- Bowers-Broadbent, Christopher Joseph (1945-)
- Bowes, Charles Frederick
- Bowler, Any Emily
- Bowler, Gertrude
- Bowley, Alfred Louis (1899-)
- Bowling, James Whewall (1860-1888)
- Bowman, Edward Morris (1848-1913)
- Bowman, John
- Bowman Leaver, Emma (1883-)
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Organist 
Organist & composer 
Composer 
Organ builder 
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