| Master of Imola | Italian, active 1265 - 1280 |
| Master of Jesus in Bethany | Netherlandish, active c. 1480 |
| Master of Petrarch | German, 1500 or before - c. 1536 |
| Master of S. Pietro a Ovile | Italian, active c. 1320/1360 |
| Master of Saint Francis | Italian, active second half 13th century |
| Master of Saint Giles | Franco-Flemish, active c. 1500 |
| Master of Saint Gilles | Franco-Flemish, active c. 1500 |
| Master of Saint John the Baptist | German, active c. 1440s - 1450s |
| Master of Saint Veronica | German, active c. 1395/1420 |
| Master of St. Erasmus | German, active c. 1450/1470 |
| Master of St. Sebastian | German, active c. 1470/1490 |
| Master of St. Wolfgang | Austrian, active c. 1440/1450 |
| Master of the Aachen Madonna | German, active c. 1460/1480 |
| Master of the Adoration of the Shepherds | German, active c. 1520/1540 |
| Master of the Amsterdam Cabinet | German, active c. 1465/1500 |
| Master of the Barberini Panels | Italian, active c. 1445 - 1484 |
| Master of the Battle of Fornovo | French, active c. 1495 |
| Master of the Beheading of St. John the Baptist | Italian, active first quarter 16th century |
| Master of the Berlin Passion | German, active c. 1450/1470 |
| Master of the Blue Landscapes | Italian, active 1650 |
| 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 |
