| Blair, Rhonda | Rhonda Blair | Director | 2003 | 1 | 1 |
| Blanchard, Betty | Betty Blanchard | Director | 1948 | 1 | |
| Bode, Martina | Martina Bode | Director | 2001 - 2011 | 12 | 1 |
| Bonarrigo, Annamaria | Annamaria Bonarrigo | Director | 1994 | 1 | |
| Booker, Margaret | Margaret Booker | Director | 1992 - 1993 | 2 | |
| Bozóky, István | István Bozóky | Director | 1954 - 1969 | 2 | 1 |
| Brady, Anne | Anne Brady | Director | 2004 | 1 | |
| Bridel, David | David Bridel | Director | 2006 | 1 | |
| Brinchmann, Arild | Arild Brinchmann | Director | 1969 - 1996 | 26 | 1 |
| Brown, Irina | Irina Brown | Director | 1996 | 1 | |
| Burbidge, Sheila | Sheila Burbidge | Director | 1999 | 1 | |
| Burns, Helen | Helen Burns | Director | 1996 | 1 | 1 |
| Bussmann, Anke | Anke Bussmann | Director | 2004 - 2005 | 2 | |
| Bytsjkov, Mikhail | Mikhail Bytsjkov | Director | 2004 | 1 | |
| Bülchmann, Oliver | Oliver Bülchmann | Director | 1995 | 2 | |
| Burroughs, Robert | Robert Burroughs | Director | 1963 | 1 | |
| Boback, I. | I. Boback | Director | 1992 | 1 | |
| Byrski, Tadeusz | Tadeusz Byrski | Director | 1958 - 1961 | 2 | |
| Blanchette, Clarence P. | Clarence P. Blanchette | Director | 2003 | 1 | |
| Blackadder, Neil | Neil Blackadder | Director | 2006 | 1 | |
| Böhm, Karl Hans | Karl Hans Böhm | Director | 1928 - 1942 | 2 | |
| Baļuna, Vera | Vera Baļuna | Director | 1950 | 1 | |
| Biship, Trevor | Trevor Biship | Director | 2002 | 1 | |
| Balestra, Fernando | Fernando Balestra | Director | 2001 | 4 | |
| Banda, Benne Erastor | Benne Erastor Banda | Director | 2006 | 1 | |
| Berger, J. | J. Berger | Director | 1955 | 1 | |
| Brücklmeier, Erich-Fritz | Erich-Fritz Brücklmeier | Director | 1941 - 1949 | 2 | |
| Behringer, Clara | Clara Behringer | Director | 1956 - 1975 | 2 | |
| Bittong, Franz | Franz Bittong | Director | 1878 - 1888 | 4 | |
| Bawan, Sadik Aziz | Sadik Aziz Bawan | Director | 2011 | 1 | |
| Brikmanis, Ugis | Ugis Brikmanis | Director | 1988 | 1 | |
| Berthold, Wilhelm | Wilhelm Berthold | Director | 1928 | 1 | |
| Bjørnson, Bjørnstjerne | Bjørnstjerne Bjørnson | Director | 1859 | 1 | 2 |
| Brun, Michael | Michael Brun | Director | 1869 - 1898 | 23 | 2 |
| Bloch, William | William Bloch | Director | 1883 - 1928 | 22 | 2 |
| Bell, Charles A. | Charles A. Bell | Director | 1894 | 2 | |
| Blumenthal, Oskar | Oskar Blumenthal | Director | 1894 | 1 | 2 |
| Bahr, Hermann | Hermann Bahr | Director | 1907 | 2 | 1 |
| Brandenburg, Friedrich | Friedrich Brandenburg | Director | 1925 | 1 | |
| Becker, Herbert | Herbert Becker | Director | 1932 | 1 | |
| Buxbaum, Hans | Hans Buxbaum | Director | 1932 - 1933 | 2 | |
| Brock, Klaus | Klaus Brock | Director | 1936 | 1 | |
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