| ROMANELLI, Giovanni Francesco | 1610-1662 | Italian | painter |
| ROMANELLI, Pasquale | 1812-1887 | Italian | sculptor |
| ROMANESQUE GLASS PAINTER, Swiss 12c (Lausanne) | 0-0 | Swiss | glass artist |
| ROMANESQUE GLASS PAINTER, various 12c | 0-0 | | glass artist |
| ROMANESQUE PAINTER, Austrian | 0-0 | Austrian | |
| ROMANESQUE PAINTER, French 11c | 0-0 | French | painter |
| ROMANESQUE PAINTER, Italian 11c | 0-0 | Italian | painter |
| ROMANESQUE PAINTER, various 12c (page 1) | 0-0 | | painter |
| ROMANESQUE PAINTER, various 12c (page 2) | 0-0 | | painter |
| ROMANESQUE PAINTER, various 13c | 0-0 | | painter |
| ROMANINO, Girolamo | 1484-1559 | Italian | painter |
| ROMANO, Gian Cristoforo | 1465-1512 | Italian | sculptor |
| ROMBAUER, János | 1782-1849 | Hungarian | painter |
| ROMBOUTS, Gillis | 1630-1672 | Dutch | painter |
| ROMBOUTS, Salomon | 1652-1702 | Dutch | painter |
| ROMBOUTS, Theodor | 1597-1637 | Flemish | painter |
| ROMEIJN, Willem | 1624-1693 | Dutch | painter |
| ROMNEY, George | 1734-1802 | English | painter |
| RONDINELLI, Niccolò | 1470-1510 | Italian | painter |
| ROOME, Jan van | 1470-1525 | Flemish | painter |
| ROORE, Jacques Ignace de | 1686-1747 | Flemish | painter |
| ROOS, Jan | 1591-1638 | Flemish | painter |
| ROOS, Johann Heinrich | 1631-1685 | German | painter |
| ROOS, Johann Melchior | 1663-1731 | German | painter |
| ROOS, Philipp Peter | 1657-1706 | German | painter |
| ROSA, Salvator | 1615-1673 | Italian | painter |
| ROSI, Alessandro | 1627-1697 | Italian | painter |
| ROSI, Zanobi | 1596-0 | Italian | painter |
| ROSITI, Giovanni Battista | 1475-1545 | Italian | painter |
| ROSLIN, Alexander | 1718-1793 | Swedish | painter |