| [A1546] | Boethius (ca 475 - 524) | person | represented actor |
| [A352] | Jan Bogusławski (died before 1608 : fl. 1596 - 1599) | person | dedicator, translator |
| [A997] | Stanisław Boja called Wódka (fl. 1604 - 1646) | person | painter |
| [A3075] | Ludwig Heinrich Bojanus (16 July 1776 - 2 April 1827) | person | |
| [A829] | Hans Bol (16 December 1534 - 20 November 1593) | person | designer |
| [A1259] | Bolesław I the Brave (967 - 17 June 1025) | person | represented actor |
| [A1309] | Bolesław I the Tall (1127 - 7/8 December 1201) | person | represented actor |
| [A1233] | Bolesław II of Poland (ca 1042 - ca April 1081 or 1082) | person | represented actor |
| [A1310] | Bolesław III the Wry-Mouthed (20 August 1085 - 28 October 1138) | person | represented actor |
| [A1315] | Bolesław IV the Curly (ca 1122 - 5 January 1173) | person | represented actor |
| [A1316] | Bolesław V the Chaste (21 June 1226 - 7 December 1279) | person | represented actor |
| [A2992] | Edmund Bollifant (died 1602) | person | printer |
| [A3510] | Boëtius Adamsz. Bolswert (1580/1582 - 25 March 1633) | person | printmaker |
| [A612] | Schelte Adamsz. Bolswert (ca 1586 - 12 December 1659) | person | printmaker |
| [A3393] | Bona of Savoy (10 August 1449 - 23 November 1503) | person | represented actor |
| [A713] | Giulio Bonasone (ca 1498 - ca 1580) | person | printmaker |
| [A1148] | Bonaventure (ca 1221 - 15 July 1274) | person | author |
| [A2429] | Jacob de Bondt (1592 - 30 November 1631) | person | author |
| [A2638] | Michele Bonelli (25 November 1541 - 28 March 1598) | person | dedicatee |
| [A881] | Hieronymus Boner (ca 1490 - ca 1552) | person | translator |
