- Bissari, Pietro Paolo
- Bizet, Georges
- Blake, William
- Blanchecotte, Augustine-Malvina
- Blank, Allan
- Blanquer Ponsada, Amando
- Blasco Compans, Justo
- Blasco Soler, Eusebio
- Blau, Édouard
- Blaze de Bury, Henri
- Blech, Leo
- Blest Gana, Alberto
- Blet, Sylvain
- Bliss, Arthur
- Blitzstein, Marc
- Blomberg, Adolf
- Blon, Franz von
- Blossom, Henry
- Blow, John
- Boccaccio, Giovanni
- Bodenstedt, Friedrich Martin von
- Bodman, Emanuel von
- Boelitz, Martin Julius
- Bohannon, Marion T.
- Bohm, Carl
- Boiardo, Matteo Maria
- Boito, Arrigo
- Bókay, János
- Bolaños, Marquesa de
- Bolcom, William
- Boldini, Giovanni
- Bonetti, Vinzenzo
- Bonnaud, Dominique
- Bonnières, Robert de
- Bononcini, Antonio Maria
- Bononcini, Giovanni Battista
- Bononcini, Giovanni Maria
- Borch, Gaston
- Bordes, Charles
- Bordèse, Stéphan
- Borja y Tapia, Francisco de
- Boruttau, Alfred Julius
- Botsford, George
- Böttcher von Schwerin, Dorothea
- Böttcher, G.
- Bouchor, Maurice
- Bouclon, Adolphe de
- Bouilhet, Louis
- Boulanger, Lili
- Boulanger, Nadia
- Boulton, Harold
- Bourget, Paul
- Bovet, Félix
- Boyce, William
- Boyer, Claude
- Braccioli, Grazio
- Bradstreet, Anne
- Brahe, May
- Brahms, Johannes
- Brakle, John van
- Braunfels, Ludwig
- Brentano, Clemens
- Bretón de los Herreros, Manuel
- Bretón, Tomás
- Bretzner, Christoph Friedrich
- Bréville, Pierre de
- Bridge, Frank
- Brillon de Jouy, Anne Louise
- Brimont, Renée de
- Britten, Benjamin
- Brizeux, Julien Auguste Pélage
- Brockes, Barthold Heinrich
- Bronsart von Schellendorf, Ingeborg
- Brooke, Baron Fulke Grenville
- Broughton, Thomas
- Browning, Robert
- Bruch, Max
- Bruchmann, Franz von
- Bruckner, Anton
- Brüll, Ignaz
- Bruneau, Alfred
- Bruni, Domenico
- Brunold, Friedrich
- Brunswick, Léon Lévy
- Buck, Dudley
- Buckton, Alice Mary
- Buczynski, Walter Joseph
- Buddeus, Georg Karl Immanuel
- Bunge, Sas
- Bungert, August
- Bunn, Alfred
- Burani, Paul
- Bürger, Gottfried August
- Burgmüller, Norbert
- Burkhard, Willy
- Burleigh, Harry Thacker
- Burroughs, Ellen
- Busenello, Giovanni Francesco
- Bush, Geoffrey
- Busoni, Ferruccio
