Giovanni Antonio de’ Sacchis, known as Il Pordenone, c 1483–January 14, 1539, was an Italian painter and draughtsman from Pordenone in Friuli. His early formation is undocumented; by the 1510s he was working on altarpieces and frescoes in Friuli and the Veneto.

Pordenone worked in a forceful, illusionistic manner, particularly in fresco. Major commissions included the Passion scenes in Cremona Cathedral, frescoes in the churches of San Rocco in Venice and Santa Maria di Campagna in Piacenza, and paintings and drawings for Venetian patrons.

He worked in Venice during his final years and died in Ferrara in 1539. His paintings, frescoes, and drawings are represented in collections including the Uffizi Gallery, the Museum of Fine Arts, Budapest, and the National Museum in Warsaw.