- Boito, Arrigo
- Bókay, János
- Bolcom, William
- Bonetti, Vinzenzo
- Bononcini, Antonio Maria
- Bononcini, Giovanni Battista
- Bononcini, Giovanni Maria
- Borch, Gaston
- Bordes, Charles
- Borja y Tapia, Francisco de
- Botsford, George
- Böttcher, G.
- Boulanger, Lili
- Boulanger, Nadia
- Boyce, William
- Brahe, May
- Brahms, Johannes
- Bretón, Tomás
- Bréville, Pierre de
- Bridge, Frank
- Brillon de Jouy, Anne Louise
- Britten, Benjamin
- Bronsart von Schellendorf, Ingeborg
- Bruch, Max
- Bruckner, Anton
- Brüll, Ignaz
- Bruneau, Alfred
- Bruni, Domenico
- Buck, Dudley
- Buczynski, Walter Joseph
- Bunge, Sas
- Bungert, August
- Burgmüller, Norbert
- Burkhard, Willy
- Burleigh, Harry Thacker
- Bush, Geoffrey
- Busoni, Ferruccio
- Büsser, Henri
- Bustos, Mariano
- Butterworth, George
- Buttykay, Ákos
- Buxtehude, Dieterich
- Cabrero y Martínez, Paulina
- Caccini, Francesca
- Caccini, Giulio
- Cadman, Charles Wakefield
- Cain, Noble
- Caldara, Antonio
- Calestani, Vincenzo
- Campbell-Tipton, Louis
- Campion, Thomas
- Campra, André
- Canal, Marguerite
- Canteloube, Joseph
- Cantó Francés, Juan
- Caplet, André
- Carissimi, Giacomo
- Carnicer y Batlle, Ramón
- Carpenter, John Alden
- Carr, Benjamin
- Casella, Alfredo
- Castel, José
- Castelnuovo-Tedesco, Mario
- Catalani, Alfredo
- Cavalli, Francesco
- Cesti, Antonio
- Chabrier, Emmanuel
- Chadwick, George Whitefield
- Chailley, Jacques
- Chaminade, Cécile
- Chanler, Theodore
- Chapí, Ruperto
- Charles, Ernest
- Charpentier, Gustave
- Chausson, Ernest
- Cherubini, Luigi
- Choudens, Antony
- Chueca, Federico
- Ciampi, Francesco
- Cifra, Antonio
- Cilea, Francesco
- Cimador, Giambattista
- Cimara, Pietro
- Cimarosa, Domenico
- Clarke, Rebecca
- Clarke, Robert Coningsby
- Clough-Leighter, Henry
- Coates, Eric
- Coerne, Louis Adolphe
- Colbran, Isabella
- Coleridge-Taylor, Samuel
- Conti, Francesco Bartolomeo
- Converse, Charles Crozat
- Converse, Frederick Shepherd
- Corigliano, John
- Cornago, Juan
- Cornelius, Peter
- Costa y Nogueras, Vicente
- Costa, Michael
- Cowen, Frederic Hymen