The decade of the 1330s in art involved some significant events.

Events

• 1338–1340: Ambrogio Lorenzetti paints The Allegory of Good and Bad Government frescoes in Palazzo Pubblico, Siena, Tuscany
• 1339: Italian painter and architect Taddeo Gaddi suffers a serious eye injury while studying solar eclipses

Works

• 
  Petrarch's Virgil (title page) (c. 1336)
  Illuminated manuscript, 29,5 x 20 cm – Simone Martini
  Biblioteca Ambrosiana, Milan.
• 
  The Annunciation with St. Margaret and St. Asano, Simone Martini, 1333
• 
  Madonna with Child, Niccolò di Segna, c.1336
• 
  The Effects of Good Government, Ambrogio Lorenzetti, 1338
• 
  The Virgin and Child Enthroned with Saints, triptych, Bernardo Daddi, 1338
• 
  Cantwell Fada, limestone effigy, Ireland c. 1330

• 1330: Giovanni di Agostino sculpts a monument to Bishop Guido Tarlati

Births

• 1339: Don Silvestro dei Gherarducci – Italian painter (died 1399)
• 1335: André Beauneveu – Early Netherlandish sculptor and painter (died 1400)
• 1332: Wang Lü – Chinese landscape painter, calligrapher, and poet during the Ming dynasty (died unknown)
• 1332: Andrea Vanni – Italian painter active mainly in his native Siena (died 1414)
• 1330: Jacopo del Casentino – Italian painter active mainly in Tuscany (died 1380)
• 1330: Bartolo di Fredi – Italian painter, a member of the Sienese School (died 1410)
• 1330: Vitale da Bologna – Italian painter (died 1361)
• 1330: Altichiero – Italian painter in the Gothic style (died 1390)
• 1330: Hermann von Münster – German master glassmaker (died 1392)
• 1330: Wang Yi – Chinese painter of human figures during the Yuan dynasty (died unknown)
• 1330: Luca di Tommè – Italian tempera painter (died 1389)
• c.1330: Jean de Liège – French sculptor (died 1381)

Deaths

• 1339: Giovanni di Balduccio – Italian sculptor (born 1290)
• 1337: Giotto di Bondone – Italian painter and architect from Florence (born 1267)
• 1337: Tino di Camaino – Italian sculptor (born 1280)
• 1330: Pietro Cavallini – Italian painter and mosaic designer (born 1259)
• 1330: Lorenzo Maitani – Italian architect and sculptor primarily responsible for the construction and decoration of the façade of Orvieto Cathedral (born 1255)