Giovanni Maria Quaglio the Younger (1772–1813) was an Italian architect, painter, and stage designers active in Munich, member of the large Quaglio pedigree.
He was born at Laino.
He studied at Rome, Naples, Milan, and Venice, and became in 1793 court scene-painter at Munich.
He was the son of Lorenzo Quaglio the Elder.
This article about an Italian painter born in the 18th century is a stub.