- La Dell, Edwin, A.R.A., 1914 - 1970
- La Thangue, Henry Herbert, R.A., 1859 - 1929
- La Tour, Maurice Quentin de, 1704 - 1788
- Labouchere, H., Lord Taunton, 1798 - 1869
- Lackington and Allen
- Lafréry, Antoine, 1512 - 1577
- Lahee, James, fl. 1810after 1852
- Laib, Paul, 1869 - 1958
- Lamb, Henry, R.A., 1883 - 1960
- Lamb, Walter, 1882 - 1961
- Lambert Collection
- Lambert, Joseph F., fl.18111851
- Lambert, Maurice, R.A., 1901 - 1964
- Lambert, Olga Marie, 1895 - 1977
- Lance, George, 1802 - 1864
- Landseer, Charles, R.A., 1799 - 1879
- Landseer, Edwin, R.A., 1802 - 1873
- Landseer, John, A.R.A., 1761 - 1852
- Landseer, Thomas, A.R.A., ca. 1795 - 1880
- Landy, Michael, R.A., 1963 -
- Lane,
- Lane, Richard, A.R.A., 1800 - 1872
- Lanesborough, Elizabeth, Countess of, 1788
- Lang, Liane, 1973 -
- Langlois, Nicolas, the younger, ca.1670 - 1707
- Laporte, John Peter, 1761 - 1839
- Larmessin, Nicolas de, 1684 - 1755
- Lasdun, Denys, R.A., 1914 - 2001
- Lasinio, Carlo, 1759 - 1838
- Laurana?, Francesco
- Laurie and Whittle
- Lauwers, Nicolaes, 1595 - 1652
- Lavery, John, R.A., 20? March 1856 - 1941
- Lawless, Matthew James, 1837 - 1864
- Lawrence, A.K., R.A., 1893 - 1975
- Lawrence, Andrew, 1706 - 1747
- Lawrence, Thomas, P.R.A., 1769 - 1830
- Lawrence, Thomas Edward, 1888 - 1935
- Lawson, M., fl. 1789
- Lawson, Sonia, R.A., 1934 -
- Le Bas, Edward, R.A., 1904 - 1966
- Le Bas, Jacques Philippe, 1707 - 1783
- Le Brun, Charles, 1619 - 1690
- Le Brun, Christopher, P.R.A., 1951 -
- Le Jeune, Henry, A.R.A., 1819 - 1904
- Le Keux, Henry, 1787 - 1868
- Le Keux, John, 1783 - 1846
- Le Lorrain, Louis Joseph, 1715 - 1759
- Le Petit, William Alexander, fl. 1829 - 1855
- Le Roy, Julien-David, 1724 - 1803
- Le Veau, Jean Jacques, 1729 - 1785
- Leader, Benjamin Williams, R.A., 1831 - 1923
- Lecky, William E.H., 1838 - 1903
- Ledru Mauro
- Ledward, Gilbert, R.A., 1888 - 1960
- Lee, Frederick Richard, R.A., 1798 - 1879
- Lee, Sydney, R.A., 1866 - 1949
- Leech, John, 1817 - 1864
- Lefèvre, Valentin, 1637 - 1677
- Legat, Francis, 1755 - 1809
- Legros, Alphonse, 1837 - 1911
- Leighton, Charles Blair, 1823 - 1855
- Leighton, John, 1822 - 1912
- Leighton, Lord, P.R.A., 1830 - 1896
- Leighton, Son and Hodge
- Leith, Marcus
- Lemere, Henry Bedford, 1839 - 1911
- Lempereur, Louis-Simon, 1728 - 1807
- Leney, William Satchwell, 1769 - 1831
- Leo I,, Pope, Saint, ca. 390 - 0461
- Leo X, Pope, 1475 - 1521
- Leonardo,, da Vinci, 1452 - 1519
- Lepautre, Jean, 1618 - 1682
- Leske, C.W., fl. 1816?after 1850
- Leslie Waddington Prints Ltd
- Leslie, Charles Robert, R.A., 1794 - 1859
- Leslie, George Dunlop, R.A., 1835 - 1921
- Leslie, Julia, ca. 1825 - after 1875
- Lethaby, William Richard, 1857 - 1931
- Levene, Ben, R.A., 1938 - 2010
- Leverhulme Trust
- Leverhulme, William Hesketh Lever, 1st Viscount, 1851 - 1925
- Levin, D.
- Lewis family,, fl. 19th century
- Lewis, Charles, 1786 - 1836
- Lewis, Charles George, 1808 - 1880
- Lewis, Frederick Christian, Jnr., 1813 - 1875
- Lewis, Frederick Christian, Snr., 1779 - 1856
- Lewis, George Robert, 1782 - 1871
- Lewis, John Frederick, R.A., 1804 - 1876
- Liart, Mathieu, 1736 - 1782
- Lievens, Jan, the elder, 1607 - 1674
- Light Horse Volunteers of London and Westminster
- Lightfoot, Peter, 1805 - 1885
- Ligne, Albert de, Duke of Arenberg and Prince of Barbançon, 1600 - 1670
- Lindsay, Coutts, Bt., 1824 - 1913
- Linnel, William, 1826 - 1910
- Linnell, John, 1792 - 1882
- Linton, Henry Duff, 1816 - 1899
- Liotard, Jean-Michel, 1702 - 1796
- Lizars, William Home, 1788 - 1859
- Llewellyn, William, P.R.A., 1858 - 1941
- Lloyd & Hennings
- Lloyd, Jane
- Lock, William, the younger, 1767 - 1847
- Lockwood & Mawson
- Lombart, Pierre, 1612 - 1682
- Lommelin, Adriaen, ca. 1637 - ca. 1677
- London Graphics
- Long, Edwin, fl. 1891
- Long, Edwin, R.A., 1829 - 1891
- Long, Richard, R.A., 1945 -
- Longfellow, Henry Wadsworth, 1807 - 1882
- Longman and Company (London)
- Longman, Hurst, Rees and Orme
- Longman, Hurst, Rees, Orme and Brown
- Longman, Rees, Orme, Brown and Green
- Longmans, Green, and Company (London)
- Longmans, Green, Reader, & Dyer
- Lonsdale, James, 1777 - 1839
- Loo, Carle van, 1705 - 1765
- Louisa, styled Countess of Albany,, 1752 - 1824
- Loutherbourg, Philippe Jacques de, R.A., 1740 - 1812
- Lowell, James Russell, 1819 - 1891
- Lowry, L.S., R.A., 1887 - 1976
- Lucas, David, 1802 - 1881
- Lucas, John Seymour, R.A., 1849 - 1923
- Lucretia,
- Lucy, Charles, 1814 - 1873
- Lupton, Thomas, 1791 - 1873
- Lutyens, Edwin, P.R.A., 1869 - 1944
- Lydon, A.F., 1836 - 1917
- Lynch, James Henry, 1868
- Lysippus, fl. ca. 370 BC-ca. 300 BC
- Lysons, Samuel, 1763 - 1819
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