| ARTIST | BORN-DIED | PERIOD | SCHOOL |
U | UBERTI, Pietro | (1671-1762) | Baroque | Italian painter (Venice) |
| UBERTINI, Francesco (see BACCHIACCA) | (1494-1557) | High Renaissance | Italian painter (Florence) |
| UBRIACHI, Baldassare degli (see EMBRIACHI, Baldassare degli) | (active 1390-1409) | Medieval | Italian sculptor |
| UCCELLO, Paolo | (1397-1475) | Early Renaissance | Italian painter (Florence) |
| UDEN, Lucas van | (1595-1672) | Baroque | Flemish painter (Antwerp) |
| UGO DA CAMPIONE | (d. ca. 1356) | Medieval | Italian sculptor |
| UGO DA CARPI | (c. 1480-c. 1532) | High Renaissance | Italian graphic artist |
| UGOLINO DA SIENA (see UGOLINO DI NERIO) | (active 1317-1339/49) | Medieval | Italian painter (Siena) |
| UGOLINO DI NERIO | (active 1317-1339/49) | Medieval | Italian painter (Siena) |
| UGOLINO DI TEDICE | (active 1251-1277) | Medieval | Italian painter (Pisa) |
| UGOLINO DI VIERI | (active 1328-c. 1380) | Medieval | Italian goldsmith (Siena) |
| UGOLINO-LORENZETTI | (active 1340-60) | Medieval | Italian painter (Siena) |
| UHDE, Fritz van | (1848-1911) | Impressionism | German painter |
| UKHTOMSKY, Konstantin Andreyevich | (1818-1881) | Realism | Russian painter (St. Petersburg) |
| ULFT, Jacob van der | (1627-1689) | Baroque | Dutch painter (Rome) |
| ULRICH, Caspar | (active 1550-1575) | Mannerism | Bohemian sculptor (Sankt Joachimsthal) |
| UNTERBERGER, Christoph | (1732-1798) | Rococo | Austrian painter (Rome) |
| UNTERBERGER, Franz-Richard | (1838-1902) | Realism | Austrian painter |
| UNTERBERGER, Michelangelo | (1695-1758) | Baroque | Austrian painter |
| URBANI, Andrea | (1711-1798) | Rococo | Italian painter |
| URBANO DA CORTONA | (1426-1504) | Early Renaissance | Italian sculptor |
| URBINI, Francesco | (active 1530s) | High Renaissance | Italian potter |
| URBINO, Carlo | (c. 1520-c.1585) | Mannerism | Italian graphic artist (Crema) |
| URY, Lesser | (1861-1931) | Impressionism | German painter (Berlin) |
| USSI, Stefano | (1822-1901) | Realism | Italian painter (Florence) |
| UTENS, Giusto | (active 1599-1609) | Baroque | Flemish painter (Carrara) |
| UTRECHT, Adriaen van | (1599-1652) | Baroque | Flemish painter |
| UYL, Jan Jansz. den, the Elder | (c. 1595-1639) | Baroque | Dutch painter |
| UYTEWAEL, Joachim (see WTEWAEL, Joachim) | (1566-1638) | Baroque | Dutch painter (Utrecht) |
| UYTEWAEL, Peter (see WTEWAEL, Peter) | (1596-1660) | Baroque | Dutch painter (Utrecht) |
| UYTTENBROECK, Moyses Matheusz van | (c. 1595-c. 1647) | Baroque | Dutch painter (Amsterdam) |