Events from the year 1733 in art.

• March – William Hogarth sketches Sarah Malcolm, convicted of murder, in her condemned cell in London; from this he immediately publishes an engraving and makes a painting.

• Pompeo Batoni – Madonna on a Throne with Child and four Saints and Blesseds of the Gabrielli family (San Gregorio Magno al Celio, Rome)
• William Hoare of Bath – Portrait of Ayuba Suleiman Diallo
• William Hogarth – Southwark Fair
• Sebastiano Ricci
  • Baldassarre and Ester before Ahasuerus (Quirinal Palace, Rome)
  • Pope Gregory the Great intercedes for souls in Purgatory (St-Gervais-et-St-Protais, Paris)
  • Pope Pius V, Saints Thomas Acquinus and Peter Martyr (Gesuati, Venice)
  • Saint Francisco resuscitates the child Paola (San Rocco, Venice)
  • Saint Helen discovers the True Cross (San Rocco, Venice)

• January 8 – Anton von Maron, Austrian painter active in Rome (died 1808)
• January 18 – Samuel Hieronymus Grimm, Swiss watercolour painter (died 1794)
• March 13 – Johann Zoffany, German neoclassical painter (died 1810)
• March 23 – Josiah Spode, English potter (died 1797)
• May – Franz Edmund Weirotter, Austrian landscape painter (died 1771)
• May 21 – Johanna Juliana Friederike Bacciarelli, German painter (died 1809 or later)
• May 22 – Hubert Robert, French painter (died 1808)
• June 12
  • Alessandro Longhi, Venetian portrait painter and printmaker in etching (died 1813)
  • Maruyama Ōkyo, Japanese painter (died 1795)
• October 5 – Louis Jean-Jacques Durameau, French painter and winner of the Grand prix de Rome (died 1796)
• October 30 – Sawrey Gilpin, English painter of animals (died 1807)
• date unknown
  • Jean-Baptiste Claudot, French painter of landscapes, flowers and still-life (died 1805)
  • Luo Ping, Chinese Qing dynasty painter, one of the Eight Eccentrics of Yangzhou (died 1799)
  • Franciszek Pinck, Polish sculptor and stucco artist (died 1798)
  • Anna Brita Sergel, textile artist of the royal Swedish court (died 1819)

• January 18 – Simon Gribelin, French line engraver (born 1661)
• February 28 – Ignaz Waibl, Austrian woodcarver (born 1661)
• April 15 - Englebert Fisen, Flemish painter (born 1655)
• May 1 – Nicolas Coustou, French sculptor (born 1658)
• May 8 – Bernard Picart, French engraver (born 1673)
• July – Jan van Huchtenburg, Dutch painter (born 1647)
• August 24 – Pierre-Étienne Monnot, French sculptor (born 1657)
• November 2 – Louis de Boullogne, French painter and brother of Bon Boullogne (born 1657)
• December 2 – Gerard Hoet, Dutch Golden Age painter (born 1648)
• date unknown
  • Nicolas Fouché, French painter (born 1653)
  • Alexis Grimou, French painter (born 1678)
  • Gaetano Martoriello, Italian painter of marine vedute and landscapes (born 1680)
  • Giacomo Parolini, Italian painter of altarpieces (born 1663)
  • Giovanni Stefano Robatto, Italian painter of churches in Genoa (born 1649)
  • Thomas van der Wilt, Dutch painter (born 1659)