| Ben Babbitt | Person | Male | Los Angeles | | instrument arranger |
| Martha Babcock | Person | Female | United States | | instrument, member of band |
| Italo Babini | Person | | | | instrument |
| Susan Babini | Person | Female | | | instrument, member of band |
| Hana Baboráková | Person | Female | | | instrument |
| Reinhard Babusek | Person | Male | Austria | | member of band |
| Vladimir Babutin | Person | Male | | | instrument |
| Maurizio Bacccante | Person | Male | Canada | | instrument |
| Giovanni Bacchelli | Person | Male | | | instrument, member of band |
| Byron Bach | Person | Male | United States | | instrument |
| Melissa Bach | Person | Female | United States | | instrument |
| Mellissa Bach | Person | Female | | | instrument |
| Christoph Bachmann | Person | Male | Germany | | instrument, member of band |
| Julian Bachmann | Person | | | | instrument |
| Peter Bachmann | Person | | | | instrument |
| Alexandra Bachtiar | Person | Female | Wien | | instrument, member of band |
| Kinga Bacik | Person | | | | instrument |
| Christiane Backhaus | Person | Female | Germany | | member of band |
| Laura Backstrom | Person | Female | | | instrument |
| Mindaugas Bačkus | Person | Male | Lithuania | | instrument |
| Alice Bacon | Person | Female | | | instrument |
| Michael Bacon | Person | Male | United States | | instrument |
| Mélanie Badal | Person | Female | France | | instrument (as “violoncelle”) |
| Lea Rahel Bader | Person | Female | Germany | | instrument, member of band |
| Mintcho Badev | Person | Male | Bogotá | | instrument, member of band |
| Barbara Badgley | Person | Female | | | instrument |
| Jérémie Baduel | Person | Male | Germany | | member of band |
| Jee-Hye Bae | Person | | | | instrument |
| Soo Bae | Person | Female | Canada | | instrument |
| 배근옥 | Person | | South Korea | | instrument |
| Edmond Baert | Person | Male | Belgium | | member of band, teacher |
| Lieven Baert | Person | Male | Belgium | | member of band |
| Jan Baerts | Person | Male | Belgium | | instrument, member of band |
| Philip Bagenal | Person | Male | United Kingdom | | instrument |
| Don Bagley | Person | Male | United States | | instrument arranger |
| Marta Bagratuni | Person | Female | United States | | instrument |
| Suren Bagratuni | Person | Male | Armenia | | instrument |
| Vache Bagratuni | Person | Male | | | instrument |
| Grace Bahng | Person | | | | instrument |
| Maia Bahtchevanova | Person | Female | Germany | | member of band |
| Natalia Baikova | Person | | | | instrument |
| Caitlin Bailey | Person | Female | United States | | instrument, member of band |
| Greg Bailey | Person | Male | United States | | instrument |
| Ozzie Bailey | Person | Male | | | instrument |
| Robert Bailey | Person | | United Kingdom | | instrument |
| Zuill Bailey | Person | Male | United States | | instrument (as “1693 Mateo Goffriller”), instrument |
| Jessica Bailiff | Person | Female | United States | 5 | member of band |
| Alexander Baillie | Person | Male | United Kingdom | | instrument, teacher |
| Renaud Bajeux | Person | Male | France | | instrument |
| David Baker | Person | Male | United States | | instrument |
| Ivan Bakran | Person | | | | instrument |
| Margarita Balanas | Person | Female | Latvia | | instrument |
| Michał Balas | Person | Male | | | instrument |
| David Balatero | Person | Male | | | instrument, member of band |
| Marco Balbinot | Person | Male | | | instrument |
| Kristiāna Balčus | Person | Female | Latvia | | instrument |
| Frédéric Baldassare | Person | Male | France | | instrument, member of band |
| Stephen Balderston | Person | Male | | | instrument |
| Enrico Baldotto | Person | | | | instrument |
| Amedeo Baldovino | Person | Male | Italy | | member of band |
| Peggy Baldwin | Person | Female | United States | | instrument, member of band |
| Fanny Balestro | Person | Female | | | instrument, member of band |
| Pablo Baleta | Person | Male | Spain | | instrument |
| Vera Baliko | Person | Female | Belgium | | member of band |
| Christine Balke | Person | Female | Germany | | member of band |
| Maryan Balkwill | Person | | | | instrument arranger |
| Paolo Ballanti | Person | | | | instrument |
| Scott Ballantyne | Person | Male | United States | | instrument |
| Sarah Balliet | Person | Female | | | instrument, member of band |
| Valerie Balligand | Person | Female | | | instrument |
| Séverine Ballon | Person | Female | France | | instrument |
| Undīne Balode | Person | Female | Latvia | | instrument |
| Balogh Endre | Person | Male | Hungary | | instrument |
| Vladimir Balshin | Person | | | | instrument |
| Emmanuel Balssa | Person | Male | France | | instrument (as “violoncello”), instrument |
| Efe Baltacıgil | Person | Male | | | instrument, member of band, teacher |
| Eveline Balteau | Person | Female | | | instrument |
| Baltimore Symphony Orchestra | Orchestra | | United States | | instrument (as “cellos”) |
| Bamberg Piano Trio | Group | | | | instrument |
| Richard Bamping | Person | Male | Hong Kong | | instrument, member of band |
| James Banbury | Person | Male | United Kingdom | | instrument |
| Ede Banda | Person | Male | Hungary | | instrument, member of band, teacher |
| Pal Banda | Person | Male | Hungary | | instrument |
| Tara Banish | Person | | | | instrument |
| Harrison Bankhead | Person | Male | United States | | instrument, member of band |
| Rosemary Banks | Person | Female | | | instrument |
| Rosie Banks | Person | Female | | | instrument |
| Kyle Bann | Person | Male | | | instrument, instrument arranger |
| Rut Bántay | Person | Female | Germany | | member of band |
| Marie-Claude Bantigny | Person | Female | France | | instrument |
| Vivi di Bap | Person | Female | Denmark | | instrument |
| Danielle Baquet-Long | Person | Female | United States | | instrument |
| Maurice Baquet | Person | Male | France | | instrument |
| Udi Bar‐David | Person | Male | Philadelphia | | instrument |
| רוני בר | Person | Female | Israel | | instrument |
| Seymour Barab | Person | Male | United States | | instrument, member of band |
| Florian Barak | Person | Male | Germany | | instrument, member of band |
| Peter Baran | Person | | | | instrument (as “Violončelo”), instrument |
| Gunda Baranauskaitė | Person | Female | Lithuania | | instrument |
| Niculin Barandun | Person | Male | Switzerland | | instrument |