| [A1379] | Domenico Alfani (ca 1483 - ca 1553) | person | designer |
| [A2807] | Isaac ben Jacob Alfasi (1013 - 1103) | person | author |
| [A1708] | Algirdas (ca 1296 - May 1377) | person | represented actor |
| [A3643] | Dante Alighieri (May 1265/June 1265 - 13 September 1321/14 September 1321) | person | represented actor |
| [A3889] | All'insegna del Martello in Parione | corporate actor | printer |
| [A260] | Albrecht Altdorfer (ca 1480 - 12 February 1538) | person | draughtsman, printmaker |
| [A1591] | Roberto Altemps (20 April 1566 - 3 November 1586) | person | represented actor |
| [A1107] | Dietrich von Altenburg (died 6 October 1341) | person | represented actor |
| [A1740] | Manuel Álvares (1526 - 30 December 1583) | person | author |
| [A1036] | Ambrose of Milan (ca 340 - 397) | person | represented actor |
| [A875] | Bartolomeo Ambrosini (1588 - 3 February 1657) | person | compiler, publisher |
| [A1656] | Marek Ambroży (ca 1530 - after 1584) | person | author |
| [A298] | Zofia Ameisenowa | person | author |
| [A1885] | Amel-Marduk (fl. 7 October 562 BCE - August 560 BCE) | person | represented actor |
| [A489] | Bonifacius Amerbach (11 October 1495 - 24 April 1562) | person | author |
| [A2090] | Stanisław Amicinus (16th c.) | person | author |
| [A621] | Jost Amman (1539 - 1591) | person | designer, illustrator, print publisher, printmaker |
| [A2872] | Nicolaus von Amsdorf (3 December 1483 - 14 May 1565) | person | |
| [A1580] | Anacharsis (ca 6th c. BCE) | person | represented actor |
| [A1238] | Anacletus I (died ca 92) | person | represented actor |
