The decade of the 1340s in art involved some significant events.

Paintings

• 1342: Simone Martini – Christ Discovered in the Temple
• 1345: Ni Zan – Six Gentlemen
• 1348: Bernardo Daddi – Altarpiece of church of San Giorgio a Ruballa, Tuscany
• 1349: Zhu Derun – Primordial Chaos

Objects

• 1347: Église Notre-Dame de l'Assomption, Bergheim completed
• 1348: Gyeongcheonsa Pagoda

Gallery

• 
  Simone Martini, Christ Discovered in the Temple, 1342
• 
  Ni Zan, Six Gentlemen, 1345
• 
  Gyeongcheonsa Pagoda, 1348
• 
  Zhu Derun, Primordial Chaos, 1349

Births

• c. 1345: Paolo di Giovanni Fei – Italian painter of the Sienese School (died 1411)
• 1340: Theophanes the Greek – Byzantine Greek artist, one of the greatest icon painters, or iconographers, of Muscovite Russia (died 1410)
• c. 1340: Niccolò di Pietro Gerini – Italian painter of the late Gothic period (died 1414)
• 1340: Claus Sluter – Dutch sculptor (died 1405)

Deaths

• 1349: Ugolino di Nerio – Italian painter most active in Siena (born 1280)
• 1348: Ambrogio Lorenzetti – Italian painter of the Sienese school. plague (born 1290)
• 1348: Pietro Lorenzetti – Italian painter, plague (died 1280)
• 1348: Bernardo Daddi – Italian painter, apprentice of Giotto, plague (died 1280)
• 1347: Andrea Pisano – Italian sculptor and architect (born 1290)
• 1344: Simone Martini – Italian painter born in Siena (born 1284)
• 1343: Ke Jiusi – Chinese landscape painter, calligrapher and poet during the Yuan dynasty (born 1290)