Category
page 1Anonymous artists
Guerrilla Girls
feminist art activism group based in the United States

Sharaku
thumb|Ōtani Oniji III in the Role of the Servant Edobei, nishiki-e colour print, 1794

Master E. S.
printmaker, goldsmith, artist (1420-1467)
Badiucao
Badiucao () is a Chinese-born Australian political cartoonist, artist and rights activist based in Australia. He is regarded as one of China's most prolific and well-known political cartoonists. He adopted his pen-name to protect his identity.
Master of Boucicaut
French manuscript illuminator
Master of Vyšší Brod
Bohemian painter
Master of the Třeboň Altarpiece
Bohemian painter, active 1380-1390
Master of the Life of the Virgin
pseudonym given to a late Gothic German painter working in Cologne
Master of Messkirch
German painter (1500-1543)
Master of the Female Half-Lengths
Flemish painter
Master of Frankfurt
Flemish Renaissance painter (1460-1533)
Bedford Master
manuscript illuminator active in Paris, 1405-1435
Master of the Bruges Legend of St. Ursula
Notname of an anonymous Flemish painter active between 1436 and 1505
Master of Saint Giles
painter
Master of Taüll
Catalan muralist
Brunswick Monogrammist
painter
Elmelunde Master
16th-century Danish church fresco painter
Naumburg Master
name given to an anonymous medieval sculptor
ROA
Belgian Graffiti and street artist
Master of the Embroidered Foliage
Dutch painter
Master of Alkmaar
Dutch painter active around Alkmaar at the beginning of the sixteenth century (1501-1515)
Master of Cabestany
French artist
Master of the Osservanza
Italian painter and illuminator
Master of the Saint Bartholomew Altarpiece
German artist (c.1450-c.1510)
Master of the Aachen Altar
German painter (active between 1480–1520)
Master of Castelsardo
Italian painter
Master of the Virgo inter Virgines
Early Netherlandish painter
Master of the Legend of Saint Lucy
Dutch painter (fl. 15th century)
Blu
Italian artist
Master of the Parement
French painter and illuminator
Upper Rhenish Master
active in 1410s in the Upper Rhineland
TAKI 183
American graffiti artist
Master of the View of Saint Gudula
Early Netherlandish painter (1480-1499)

Master of the City of Ladies
French manuscript illuminator and illustrator of the Book of the City of Ladies
Master of James IV of Scotland
Flemish painter active in Scotland
Master of the Housebook
German painter and engraver (c. 1450–1500)

Master of Anthony of Burgundy
Flemish miniature painter
Master MS
painter active in Hungary
Master of the Prodigal Son
Flemish painter and designer of tapestries and stained glass

Master of 1518
Flemish painter (1510–1530)
Ememem
Ememem is an anonymous French street artist based in Lyon. They create mosaics incorporating geometric motifs in cracked sidewalks and façades, a process they call flacking. Ememem creates art at night, so that it is generally discovered at dawn.
Vienna Master of Mary of Burgundy
manuscript illuminator from the Southern Netherlands
Master with the Parrot
painter (1500-1530)
Master of the Legend of the Magdalene
Early Netherlandish painter (1480–1537)
Master of the Morrison Triptych
painter (1471-1571)
Master of the Schotten Altarpiece
Austrian painter
Master of Wavrin
French painter
Master Sigraf
thumb|Baptismal font attributed to Master Sigraf in Grötlingbo church, [[Gotland (Sweden).]]
Sigraf (also Sighraf, Sighrafr, fl. c.1175–1210) was a Romanesque stone sculptor, working on Gotland. He was mainly active as a sculptor of baptismal fonts, but also of reliquaries, carved pillars and reliefs. He was the most productive of several early medieval stone sculptors making baptismal fonts on Gotland.
Master of Affligem
painter from the Southern Netherlands
Master of Delft
painter from the Northern Netherlands (1470-1520)
Master of the Schöppingen Altarpiece
German painter
Master of Badia a Isola
Italian painter
108
Italian contemporary artist
Master of the Playing Cards
German engraver (fl. 1430s-1450s)
Brussels Initials Master
medieval manuscript illustrator, was active from around 1390-1420
Master of the Beighem Altarpiece
Dutch painter
Master of the Karlsruhe Passion
German artist, active 15th century
notname
upright=0.8|thumb|Berlin Painter's [[Name vase]]
upright=0.8|thumb|Virgin and Child in a Landscape, the Master of the Embroidered Foliage 1492–1498. [[Minneapolis Institute of Arts, Minneapolis]]
In art history, a '''''' (, "name of necessity" or "contingency name") is an invented name given to an artist whose identity has been lost. The practice arose from the need to give such artists and their typically untitled or generically titled works an acceptable if unsatisfactory grouping to avoid confusion when cataloging.
Master of the Bigallo Crucifixion
Italian painter
Union Master
artist active in Denmark