Events from the year 1623 in art.

• The Raphael Cartoons are bought from a Genoese collection by agents for the future King Charles I of England (at this time Prince of Wales).

• Gian Lorenzo Bernini – Self-portrait (approximate date)
• Martin Droeshout – Engraved portrait for the ' First Folio' of William Shakespeare's plays
• Orazio Gentileschi – The Annunciation ( Sabauda Gallery)
• Guercino – The Burial of St. Petronilla
• Dirck Hals – Musicians
• Daniël Mijtens – James Hamilton, Earl of Arran (age 17)
• Peter Paul Rubens – Self-portrait (British Royal Collection, Windsor Castle)
• Dirck van Baburen (some dates approximate)
  • Cimon and Pero (Roman Charity)
  • Concert
  • Crowning With Thorns (2 versions)
  • Loose Company
  • Prometheus Being Chained by Vulcan
  • Saint Sebastian Tended by Irene
• Anthony van Dyck –
  • Portrait of the Lomellini family
  • Self Portrait (approximate date)
• Gerard van Honthorst
  • Merry Company
  • The Prodigal Son
  • The Steadfast Philosopher
• Diego Velázquez
  • Portrait of Philip IV in Armour
  • The Investiture Of St Ildefonso With The Chasuble

• May 30 - Wallerant Vaillant, Flemish Baroque painter and mezzotint engraver (died 1677)
• August 25 - Filippo Lauri, Italian painter, Principe (director) of the Accademia di San Luca (died 1694)
• date unknown
  • Jürgen Ovens, Danish or German Baroque painter and engraver (died 1678)
  • Francesco Barbieri, Italian Baroque painter (died 1698)
  • Giovanni Battista Caccioli Italian figure painter in quadratura (died 1675)
  • Francisco de Palacios, Spanish Baroque painter (died 1652)
  • Francesco di Maria, Italian painter active mainly in Naples (died 1690)
  • Pieter Janssens Elinga, Dutch painter (died 1682)
  • Giovanni Ghisolfi, Italian painter of veduta and capricci, mainly landscapes (died 1683)
  • Giacomo Lauri, Italian engraver (died 1694)
• probable
  • Thomas Simon, English medallist (died 1665)
  • Mei Qing, Chinese landscape painter, calligrapher and poet during the Qing dynasty (died 1697)
  • Reinier Nooms, Dutch marine painter and etcher (died c. 1664)

• January 11 - Pieter van Mierevelt, Dutch Golden Age painter (born 1596)
• December - Rodrigo de Villandrando, court painter during the reign of Philip III of Spain (born unknown)
• date unknown
  • Andrea Andreani, Italian wood engraver and early exponent of chiaroscuro (born 1540)
  • Francesco Brizio, Italian painter and engraver of the Bolognese School (born 1574)
  • Agostino Bugiardini, Italian sculptor (date of birth unknown)
  • Johann Theodor de Bry, Flemish painter and engraver (born 1561)
  • Domenico Fetti, Italian painter (born 1589)
  • Jacob van Musscher, Dutch Golden Age painter (born 1580)