Events from the year 1604 in art.

• Robert Peake the Elder is appointed picture maker to Henry Frederick, Prince of Wales.

• Karel van Mander - Schilder-boeck

• 
  Caravaggio, John the Baptist (Kansas City)
• 
  Caravaggio, John the Baptist (Galleria Nazionale d'Arte Antica)
• 
  Caravaggio, The Crowning with Thorns

• Annibale Carracci (approximate date)
  • Landscape with the Flight into Egypt (Doria Pamphilj Gallery, Rome)
  • The Martyrdom of St. Stephen (The Louvre, Paris)
  • Monsignor Agucchi (York Art Gallery, England)
  • Self-portrait (Hermitage Museum, Saint Petersburg)
• Caravaggio
  • John the Baptist (Kansas City)
  • John the Baptist (Galleria Nazionale d'Arte Antica, Rome)
  • The Crowning with Thorns (Prato)

• February 6 - Jean Varin, French sculptor and engraver (died 1672)
• July 8 - Christiaen van Couwenbergh, Dutch Golden Age painter (died 1667)
• September 21 - Angelo Michele Colonna, Italian painter of frescoes (died 1687)
• date unknown
  • François Anguier, French sculptor (died 1669)
  • Mario Balassi, Italian painter (died 1667)
  • Giovanni Giacomo Barbelli, Italian painter, active in Brescia (died 1656)
  • Charles Beaubrun, French portrait painter (died 1692)
  • Bartolommeo Bianco, Italian architect, engineer, and painter (died 1656)
  • Luigi Baccio del Bianco, Italian architect, engineer, scenic designer and painter (died 1657)
  • Pierre Daret, French portrait painter and engraver (died 1678)
  • Chöying Dorje, 10th Karmapa, head of the Kagyu School of Tibetan Buddhism and a painter and sculptor (died 1674)
  • Gijsbert d'Hondecoeter, Dutch painter of barnyard fowl (died 1653), father of Melchior d'Hondecoeter.
  • Johann Anton Eismann, Austrian painter (died 1698)
  • Giovanni Battista Michelini, Italian painter of religious and mythological subjects (died 1655)
  • Jan Baptist van Heil, Flemish painter (died 1688)
  • Cheng Zhengkui, Chinese landscape painter and poet (died 1670)
• probable
  • Jan Boeckhorst, German-born Flemish Baroque painter (died 1668)
  • Viviano Codazzi, Italian architectural painter (died 1670)

• March 1 - Leonhard Baumhauer [de], German sculptor (born 1535)
• date unknown
  • Pier Angelo Basili, Italian painter born in Gubbio (born 1550)
  • Ottavio Semini, Italian painter born and trained in Genoa (born 1530)
• probable - William Rogers, English engraver (born 1545)