| ARTIST | BORN-DIED | PERIOD | SCHOOL |
L | LONGHI, Luca | (1507-1580) | Mannerism | Italian painter (Ravenna) |
| LONGHI, Martino the Elder | (1534-1591) | Mannerism | Italian architect |
| LONGHI, Martino the Younger | (1602-1669) | Baroque | Italian architect (Rome) |
| LONGHI, Onorio | (1568-1619) | Baroque | Italian architect (Rome) |
| LONGHI, Pietro | (1702-1785) | Baroque | Italian painter (Venice) |
| LONGHI, Silla | (1569-c. 1622) | Baroque | Italian sculptor (Rome) |
| LOO, César van | (1743-1821) | Rococo | French painter |
| LOO, Carle van | (1705-1765) | Baroque | French painter |
| LOO, Charles-Amédée-Philippe van | (1719-1795) | Rococo | French painter |
| LOO, Frans van | (active 1607-1654) | Baroque | Flemish sculptor (Mechelen) |
| LOO, Jacob van | (1614-1670) | Baroque | Dutch painter (Amsterdam) |
| LOO, Jean-Baptiste van | (1684-1745) | Baroque | French painter |
| LOO, Louis Michel van | (1707-1771) | Baroque | French painter |
| LOOCKEMANS, Nicolaas | (d. 1673) | Baroque | Dutch goldsmith (The Hague) |
| LOOFS, Adam | (c. 1645-1710) | Baroque | Dutch goldsmith (The Hague) |
| LOON, Theodoor, van | (c. 1581-1667) | Baroque | Flemish painter (Brussels) |
| LOOS, Adolf | (1870-1933) | Art Nouveau | Austrian architect |
| LOOS, Friedrich | (1797-1890) | Romanticism | Austrian painter |
| LOPES, Cristovano | (c. 1516-1570) | High Renaissance | Portuguese painter |
| LOPEZ Y PIQUER, Bernardo (see LÓPEZ Y PIQUER, Bernardo) | (1801-1874) | Romanticism | Spanish painter (Valencia) |
| LOPEZ Y PIQUER, Luis (see LÓPEZ Y PIQUER, Luis) | (1802-1865) | Romanticism | Spanish painter (Valencia) |
| LOPEZ Y PORTAÑA, Vicente (see LÓPEZ Y PORTAÑA, Vicente) | (1772-1850) | Romanticism | Spanish painter |
| LOPEZ, Francisco (see LÓPEZ, Francisco) | (active 1550) | Mannerism | Spanish goldsmith (Lisbon) |
| LORCK, Melchior | (c. 1526-c. 1598) | Mannerism | Danish graphic artist |
| LORENTINO D'ANGELO (see LORENTINO D'AREZZO) | (c. 1430-1506) | Early Renaissance | Italian painter (Arezzo) |
| LORENTINO D'AREZZO | (c. 1430-1506) | Early Renaissance | Italian painter (Arezzo) |
| LORENZETTI, Ambrogio | (c. 1290-1348) | Medieval | Italian painter (Siena) |
| LORENZETTI, Pietro | (1290-1348) | Medieval | Italian painter (Siena) |
| LORENZETTI, Ugolino (see UGOLINO-LORENZETTI) | (active 1340-60) | Medieval | Italian painter (Siena) |
| LORENZETTO | (1490-1541) | High Renaissance | Italian sculptor (Rome) |
| LORENZI, Battista di Domenico | (c. 1527-1592) | Mannerism | Italian sculptor (Florence) |
| LORENZI, Stoldo di Gino | (1534-1583) | Mannerism | Italian sculptor |
| LORENZO DA VITERBO | (c. 1444-1472) | Early Renaissance | Italian painter (Viterbo) |
| LORENZO DI ALESSANDRO DA SANSEVERINO | (documented 1468-1503) | Early Renaissance | Italian painter (Marches) |
| LORENZO DI BICCI (see BICCI, Lorenzo di) | (c. 1350-c. 1427) | Early Renaissance | Italian painter (Florence) |
| LORENZO DI CREDI | (c. 1459-1537) | High Renaissance | Italian painter (Florence) |
| LORENZO DI NICCOLÒ DI MARTINO | (active 1392-1412) | Early Renaissance | Italian painter (Florence) |
| LORENZO DI PIETRODI GIOVANNI (see VECCHIETTA) | (1410-1480) | Early Renaissance | Italian sculptor (Siena) |
| LORENZO Monaco | (c. 1370-c. 1425) | Early Renaissance | Italian painter (Florence) |
| LORENZO VENEZIANO | (active 1356-1372) | Medieval | Italian painter (Venice) |
| LORME, Anthonie de | (c. 1610-1673) | Baroque | Dutch painter |
| LOSSON, Anton | (active 1670s) | Baroque | Flemish architect (Mechelen) |
| LOTH, Johann Karl | (1632-1698) | Baroque | German painter (Italy) |
| LOTSCH, Johann Christian | (1790-1873) | Romanticism | German sculptor (Rome) |
| LOTTER, Hieronymus | (1497-1580) | Northern Renaissance | German architect (Leipzig) |
| LOTTI, Lorenzo (see LORENZETTO) | (1490-1541) | High Renaissance | Italian sculptor (Rome) |
| LOTTO, Lorenzo | (1480-1556) | High Renaissance | Italian painter (Venice) |
| LOTZ, Károly | (1833-1904) | Romanticism | Hungarian painter (Budapest) |
| LOUIS, Victor | (1731-c. 1800) | Neoclassicism | French architect |
| LOUTHERBOURG, Philip Jacques de | 1740-1812 | Rococo | French painter (Paris) |