John of Berry or John the Magnificent (French: Jean de Berry; 30 November 1340 – 15 June 1416) was Duke of Berry and Auvergne and Count of Poitiers and Montpensier. He was the third son of King John II of France and Bonne of Luxemburg; his brothers were King Charles V of France, Duke Louis I of Anjou and Duke Philip the Bold of Burgundy. He is primarily remembered as a collector of the important illuminated manuscripts and other works of art commissioned by him, such as the Très Riches Heures.