All Artists
U - Unm
- U, Lun Gywe (b. 1930)
- Ubac, Raoul
- Ubac, Rodolphe Raoul (1910-1985)
- Ubben, Paul
- Ubeda, Augustin (b. 1925)
- Ubeda, Carlos Vazquez (1869-1944)
- Ubelesqui, called Alexandre Alexandre (1649-1718)
- Ubertini, Il Bacchiacca Francesco (1494-1557)
- Ubsdell, Dan
- Ubsdell, R. H. O.
- Uccello, Paolo (1397-1475)
- Uchermann, Karl Kristian (1855-1940)
- Uchida, Nozomu (b. 1987)
- Ucles, Josep (b. 1952)
- Udall & Ballou
- Udaltsova, Nadezhda (1886-1961)
- Udello, Maurice
- Uder, Christoph
- Udvardy, Flora G.
- Uecker, Gunther (b. 1930)
- Ueda, Fuco (b. 1979)
- Ueda, Shoji (b. 1913)
- Ueda, Tamiko (b. 1909)
- Ueda, Tsuneji (1914-1987)
- Ueda, Yoshihiko (b. 1957)
- Uekawa, Aya (b. 1979)
- Uelsmann, Jerry (b. 1934)
- Uemae, Chiyu (b. 1920)
- Uematsu, Keiji (b. 1947)
- Ufan, Lee (b. 1936)
- Ufer, Walter (1876-1936)
- Ugalde, Juan (b. 1958)
- Uglow, Alan (b. 1941)
- Uglow, Euan (1932-2000)
- Ugolini, E.
- Ugolino di Nerio, (fl.1317-c.1339)
- Uhart, Eduardo (b. 1942)
- Uhlich, Fritz (1893-1973)
- Uhlinger, Johann Caspar (1703-1768)
- Uhlman, Fred (1901-1985)
- Uhlmann, Hans (1900-1975)
- Uhrdin, Sam (1886-1964)
- Uhrenfabrik, A. G.
- Uhry, Ghislain (b. 1932)
- Ujishige
- Ujvary, Ignac (1880-1927)
- Ukil, Sarada
- Ukita, Yozo (1924-2013)
- Uklanski, Piotr (b. 1968)
- Ulay, (b. 1943)
- Ulbricht, Johann Philipp (1762-1836)
- Ulfsparre, Carl Gustav (1790-1862)
- Ullberg, Lloyd (1904-1996)
- Ullman, Doris
- Ullman, J.
- Ullmer
- Ulm School
- Ulmann, Benjamin (1829-1884)
- Ulmann, Raoul Andre (b. 1867)
- Ulrich Sautner
- Ulrich, Charles Frederick (1858-1908)
- Ulrich, Guglielmo
- Ulrich, Johann Jakob (1798-1877)
- Ulrichs, Timm (b. 1940)
- Uluc, Omer (b. 1931)
- Ulysse Nardin
- Umanov, Matt
- Umbach, Jonas (1624-1693)
- Umbach, Leonard
- Umberg, Gunter
- Umbo (1902-1980)
- Umeda, Masanori (b. 1941)
- Umehara, Ryuzaburo (1888-1986)
- Umeshige
- Umlauf, Charles (1911-1994)
- Umlauf, Lynn (b. 1942)
- Unbereit, Paul (1884-1937)
- Unboku
- Uncini, Giuseppe (1929-2008)
- Underhill, Andrew
- Underhill, Frederick Thomas (1868-1896)
- Underhill, Thomas
- Underhill, Tony (1923-1978)
- Underwood, Leon (1890-1975)
- Underwood, Thomas Richard (1772-1836)
- Ung, Per (1933 - 2013)
- Unger, Christian Wilhelm (1775-1855)
- Unger, William (1837-1932)
- Ungern, Ragnar (1885-1955)
- Ungewitter, Hugo (b. 1869)
- Ungno, Lee (1904-1989)
- Ungwon, Kim (1855-1921)
- Un'Ichi, Hiratsuka (1895-1997)
- Union
- Unite, George R
- Universal
- Universal-Geneve
- Unkoku, Tokaku (b. 1674)
- Unlitz, Emil C. (1856-1933)
- Unmask Group, (b. 1976, b. 1978, b. 1976)
Please note that lot results for an artist may include approximate matches such as Attributed to, School of, Studio of, Circle of, Style of, Manner of, etc.