- Ubac, Raoul. Artist file: miscellaneous uncatalogued material1
- Uccello, Paolo, 1397-1475. Artist file: miscellaneous uncatalogued material1
- Udinotti, Agnese. Artist file: miscellaneous uncatalogued material1
- Uelsmann, Jerry, 1934-. Artist file: miscellaneous uncatalogued material1
- Uglow, Alan. Artist file: miscellaneous uncatalogued material1
- Uglow, Euan, 1932-2000. Artist file: miscellaneous uncatalogued material1
- Uhlenhop, Virginia. Artist file: miscellaneous uncatalogued material1
- Ukeles, Mierle Laderman. Artist file: miscellaneous uncatalogued material1
- Ulay. Artist file: miscellaneous uncatalogued material1
- Ulick, Michael Ackerman. Artist file: miscellaneous uncatalogued material1
- Ulmann, Doris, 1882-1934. Artist file: miscellaneous uncatalogued material1
- Uma{tilde}na, Alfonso, 1908-. Artist file: miscellaneous uncatalogued material1
- Umlauf, Charles. Artist file: miscellaneous uncatalogued material1
- Umlauf, Karl, 1939-. Artist file: miscellaneous uncatalogued material1
- Underwood, David. Artist file: miscellaneous uncatalogued material1