Events from the year 1503 in art.

• Leonardo da Vinci probably begins painting the Mona Lisa in Florence
• Giuliano Bugiardini joins the painter's guild in Florence
• First record of Matthias Grünewald painting

• 
  Albertinelli, The Visitation
• 
  Dürer, Great Piece of Turf
• 
  Filippino Lippi, Marriage of St. Catherine
• 
  Raphael, Madonna and Child with the Book

• Mariotto Albertinelli – The Visitation of the Virgin
• Albrecht Dürer – Great Piece of Turf (Das große Rasenstück, watercolor)
• Filippino Lippi – Mystical Marriage of St. Catherine
• Pietro Perugino – Combat of Love and Chastity
• Raphael – Madonna and Child with the Book (approximate date)
• Luca Signorelli – Portrait of Vitelozzo Vitelli
• Master of Frankfurt – Holy Kinship (Historical Museum, Frankfurt)
• Madonna of Laroque, perhaps by Leonardo da Vinci

• Agnolo di Cosimo, Italian Mannerist painter from Florence (died 1572)
• Pedro Campaña, Flemish painter of the Renaissance period (died 1586)
• Paul Dax, Austrian artist (died 1561)
• Parmigianino, Italian Mannerist painter and printmaker (died 1540)
• Augustin Hirschvogel, German artist, mathematician, and cartographer known primarily for his etchings (died 1553)
• Giovanni Battista Scultori, Italian painter, sculptor and engraver (died 1575)
• Michele Tosini, Italian painter of the Renaissance and Mannerist period, who worked in Florence (died 1577)

• Israhel van Meckenem, German printmaker and goldsmith (born 1445)
• 1502/1503: Giovanni Donato da Montorfano, Italian painter (born 1460)