J.K.. 1 portrait.
J.H.K.. 1 portrait.
M.K.. 3 portraits.
M. K. 1 portrait.
C.K.. 1 portrait.
Jean-Christophe Kahn. 1 portrait.
Patricia Kahn (1933-). 1 portrait.
Germaine Kahnova. 1 portrait.
Toomney Kaky (Kakey). 1 portrait.
Marion Kalter. 2 portraits.
Leon Kamir-Kaufman (1872-1933). 1 portrait.
Nadav Kander (1961-). 3 portraits.
Edmond Xavier Kapp (1890-1978). 23 portraits.
Ida Kar (1908-1974). 725 portraits.
Yousuf Karsh (1908-2002). 130 portraits.
Dmitri Kasterine. 1 portrait.
Robert Kastor (floruit 1903). 1 portrait.
Angelica Kauffmann (1741-1807). 15 portraits.
Karl J. Kaul (1970-). 2 portraits.
A. Kay. 1 portrait.
John Kay (1742-1826). 241 portraits.
N.S. Kay. 1 portrait.
William Kay (floruit 1789). 1 portrait.
Vernon Kaye (floruit 1888-1899). 1 portrait.
William Keable. 1 portrait.
John Keane (1954-). 2 portraits.
George Kearsley (floruit 1791-1813). 6 portraits.
Thomas Kearsley (floruit 1792-1802). 6 portraits.
Georgiana Keate (1770-1850). 1 portrait.
George Keating (1762-1842). 5 portraits.
John Keats (1795-1821). 1 portrait.
Peter Keen (1928-). 44 portraits.
John Keenan (floruit 1791-1815). 3 portraits.
Jonathan Keenan (1965-). 4 portraits.
Charles Samuel Keene (1823-1891). 3 portraits.
Pieter van den Keere (Petrus Kaerius) (1571-circa 1646). 2 portraits.
William Keith (floruit 1855-1884). 1 portrait.
G. Kellaway. 2 portraits.
Moritz Kellerhoven (1758-1830). 1 portrait.
Sir Gerald Kelly (1879-1972). 25 portraits.
Luke Kelly (1941-). 5 portraits.
Thomas Kelly (floruit 1813-1831). 4 portraits.
R. Kemp. 1 portrait.
Harry John Kempsell (1867-1924). 1 portrait.
A. Ken (floruit 1860s-1870s). 5 portraits.
J. Kendall (floruit 1780). 1 portrait.
Emma Eleanora Kendrick (circa 1788-1871). 1 portrait.
Neil Kenlock (1950-). 4 portraits.
J. Kennedy. 2 portraits.
Leon Engers Kennedy (circa 1890-circa 1970). 1 portrait.
John Kennerley. 5 portraits.
Eric Henri Kennington (1888-1960). 6 portraits.
Jill Kennington (1943-). 20 portraits.
R. Kenny (floruit 1782). 1 portrait.
G. Kent (floruit 1818). 1 portrait.
Norman Kent (1942-). 1 portrait.
William Kent (1685?-1748). 3 portraits.
William H. Kent. 1 portrait.
Dan Kenyon (1965-). 4 portraits.
J. Keppler (floruit 1880). 1 portrait.
S. Ker. 1 portrait.
Thomas Kerrich (1748-1828). 6 portraits.
James Kerr-Lawson (1862-1939). 6 portraits.
Johann Kerseboom (died 1708). 32 portraits.
Barbara Ker-Seymer (1905-1993). 7 portraits.
Anthony F. Kersting (born 1916). 1 portrait.
André Kertész (1894-1985). 1 portrait.
Cornelis Ketel (1548-1616). 7 portraits.
Tilly Kettle (1735-1786). 8 portraits.
Gustave Keulmorghun. 2 portraits.
Keystone Press Agency Ltd.. 3 portraits.
Keystone View Company. 1 portrait.
Bhupen Khakhar (1934-2003). 1 portrait.
Bronwyn Kidd. 5 portraits.
William Edward Kilburn (1818-1891). 45 portraits.
Kilian. 1 portrait.
Lucas Kilian (1579-1637). 3 portraits.
Wolfgang Kilian (1581-1662). 4 portraits.
Anne Killigrew (1660-1685). 5 portraits.
B. Killingbeck. 2 portraits.
E. Kilvert. 1 portrait.
Amelia Kilvington (1979-). 1 portrait.
W. Kimpton. 1 portrait.
Agnes Gardner King (floruit 1907). 3 portraits.
Arthur King. 1 portrait.
Brendan King (1959-). 1 portrait.
Daniel King (died circa 1664). 1 portrait.
Elizabeth King (née Thomson) (1818-1896). 8 portraits.
George King (floruit 1740). 7 portraits.
G. King. 1 portrait.
Horatio Nelson King (1830-1905). 44 portraits.
John King (floruit 1698-1760). 14 portraits.
John King (1788-1847). 1 portrait.
Spidk Jaye King (floruit 1930s). 2 portraits.
Thomas King (1730-1805). 3 portraits.
T. King. 2 portraits.
Kings. 1 portrait.
Henry Kingsbury (floruit 1775-1798). 10 portraits.
Kingsbury & Notcutt (floruit 1886-1890). 7 portraits.
Kinnerley. 1 portrait.
Jan Kip (circa 1653 - 1722). 1 portrait.
William Kip (floruit 1598-1610). 1 portrait.
Ralph Smith Kirby (floruit 1799-1846). 3 portraits.
Astrid Kirchherr (1938-). 1 portrait.
Alexander H. Kirk (floruit 1915). 1 portrait.
John Kirk (1724-1778). 1 portrait.
Elisha Kirkall (circa 1682-1742). 4 portraits.
Thomas Kirkby (1775-circa 1847). 3 portraits.
Douglas Kirkland (1934-). 1 portrait.
Seymour Stokes Kirkup (1788-1880). 2 portraits.
John Kirkwood. 9 portraits.
Kirkwood. 1 portrait.
S. Kirven. 1 portrait.
Alfred D. Kissack. 1 portrait.
R.B. Kitaj (1932-2007). 4 portraits.
Kitcheman. 1 portrait.
Thomas Kitchin (floruit circa 1750). 7 portraits.
John Kitchingman. 1 portrait.
Cornelis van Kittensteyn (born circa 1600). 1 portrait.
Klanger and Boink (floruit 1984-1995). 1 portrait.
Eileen Klein (1921-). 1 portrait.
Steven Klein. 1 portrait.
Johann Jakob Kleinschmidt (died 1772). 1 portrait.
Philip Adolphe Klier (floruit 1880s-1900s). 2 portraits.
Clara Klinghoffer (1900-1970). 3 portraits.
Immo Klink (1972-). 5 portraits.
David Klöker (floruit 17th century). 1 portrait.
R. Knaplock (floruit 1698-1721). 1 portrait.
George Knapton (1698-1778). 14 portraits.
J. and P. Knapton (floruit 1746). 107 portraits.
Sir Godfrey Kneller, Bt (1646-1723). 1463 portraits.
Sir Godfrey Kneller, Bt and studio. 2 portraits.
Charles Knight (floruit 1887-1909). 3 portraits.
Charles Knight (1743-1827?). 23 portraits.
Charles Knight (1791-1873). 1 portrait.
C. Knight. 1 portrait.
E. Knight. 4 portraits.
Harold Knight (1874-1961). 3 portraits.
John Prescott Knight (1803-1881). 5 portraits.
J. Knight. 2 portraits.
J.W. Knight. 2 portraits.
Dame Laura Knight (1877-1970). 2 portraits.
Nick Knight (1958-). 6 portraits.
T.W. Knight (floruit 1840-1860). 1 portrait.
W. Milner Knight (died 1961). 1 portrait.
Arthur Henry Knighton-Hammond (1875-1970). 3 portraits.
James Francis Knights (1833-1898). 1 portrait.
Winifred Knights (1899-1947). No portraits.
David Knights-Whittome (floruit 1890s-1910s). 1 portrait.
Herbie Knott. 1 portrait.
Kim Knott. 1 portrait.
George Koberwein (1820-1876). 1 portrait.
Oskar Kokoschka (1886-1980). 2 portraits.
Louis Kolitz (1845-1914). 1 portrait.
Fred Kormis (1894-1986). 1 portrait.
Justin Koslowski (19th century). 1 portrait.
Leon Kossoff (1926-). 1 portrait.
Simon de Koster (1767-1831). 5 portraits.
Moses Kottler. 1 portrait.
Frank Kovacs. 6 portraits.
David von Krafft (1655-1724). 1 portrait.
Jacob Kramer (1892-1962). 6 portraits.
Oscar Kramer (floruit 1860s-1880s). 1 portrait.
Johann Ulrich Kraus (1655-1719). 4 portraits.
A. Krausse. 1 portrait.
Josef Kreutzinger (1757-1829). 1 portrait.
Franz Krüger (1797-1857). 1 portrait.
Rudolf Krziwanek (floruit 1870-1905). 1 portrait.
Gerhard von Kügelgen (1772-1820). 1 portrait.
Christine Kühlenthal (1895-1976). 2 portraits.
Jan or Johann Kupetzki (Kupecky, Kupezky, Kupetzky, Kupecki, Kopecki) (1666 or 1667-1740). 2 portraits.
Nicola Kurtz (1971-). 31 portraits.
Melchoir Küsell. 1 portrait.
Francis Kyte (floruit 1710-1744). 30 portraits.
