| Antonio Abbondi (d. 1549) Scarpagnino | George Warner Allen (1916–1988) | Pietro Francesco Appiani (1670–1724) Franz Peter Appiani |
| Florian Abel (d. 1565) | Nicola Alliot de Ligny Embaroy Nicholas Aliot, Nicholas Alliot | Spinello Aretino (1350–1410) Spinello di Luca Spinelli |
| Balthasar Ableithner (1614–1705) Ableitner | Alessandro Allori (1535–1607) Alessandro di Cristofano di Lorenzo del Bronzino Allori | Henry Hugh Armstead (1828–1905) |
| John Adams-Acton (1830–1910) | Jacopo Amigoni (1675–1752) Amiconi | Cosmas Damian Asam (1686–1739) |
| Carl Fredrik Adelcrantz (1716–1796) | Hans Andre (1902–1991) | Egid Quirin Asam (1692–1750) |
| Göran Josuæ Adelcrantz (1668–1739) | Giuseppe Angeli (1712–1798) | Hans Georg Asam (1649–1711) |
| Hans Alberthal (1575–1657) Johann Alberthal, Giovanni Albertalli, Albertallo, Alberthaler, Albertolus | Giuseppe Angelini (1735–1811) | Johann Karl Auerbach (1723–1786) |
| Leon Battista Alberti (1404–1472) | Boris Anrep (1883–1969) Boris Vasilyevich Anrep, Борис Васильевич Анреп | Antonio di Pietro Averlino Filarete (1400–1469) Antonio di Pietro Averulino |
| Balthasar August Albrecht (1687–1765) | Franz Anton Anwander (1718–1797) |