| Master of the Boccaccio Illustrations | Flemish, active c. 1476 |
| Master of the Borders with the Four Fathers of the Church | German, active c. 1470 |
| Master of the Catherine Wheel | German, active c. 1480/1500 |
| Master of the Catholic Kings | Spanish, active c. 1485/1500 |
| Master of the Coburg Roundels | German, 15th Century |
| Master of the Cologne Arms | German, active c. 1470/1480 |
| Master of the Cologne Bibles | German |
| Master of the Cypresses | Spanish, active 1434 |
| Master of the David and Saint John Statuettes | Italian, active late 15th century - early 16th century |
| Master of the Death of Saint Nicholas of Münster | German, active c. 1460 - 1490 |
| Master of the Death of the Virgin | Netherlandish, active 1505/1508 - 1540/1541 |
| Master of the Die | Italian, active c. 1532 |
| Master of the Dominican Effigies | Italian, active c. 1328 - 1350 |
| Master of the Dutuit Mount of Olives | German, active c. 1450/1470 |
| Master of the E-Series Tarocchi | Italian, active c. 1465 |
| Master of the Fabriano Altarpiece | Italian, active mid 14th century |
| Master of the Franciscan Crucifixes | Italian, active second half 13th century |
| Master of the Gerona Martyrology | Bohemian, active 1414 |
| Master of the Giants | British, active 1779 |
| Master of the Golden Bull | Bohemian, active c. 1400 |
| Master of the Griselda Legend | Italian, active early 1490s |
| Master of the Horse Heads | Netherlandish, active first third 16th century |
| Master of the Housebook | German, active c. 1465/1500 |
| Master of the Judgment of Solomon | Netherlandish, active c. 1580 |
| Master of the Kraterographie | German, probably 1498 - 1572 |
| Master of the Kress Landscapes | Italian, 1484 - 1527 |
| Master of the Legend of Saint Lucy | Netherlandish, active c. 1480 - c. 1510 |
| Master of the Liechtenstein Adoration | German, active 16th century |
| Master of the Life of Saint John the Baptist | Italian, active second quarter 14th century |
