Giulio Quaglio III (1764 in Laino – 30 January 1801 in Munich) was a scenic designer and architect from a branch of the Quaglio family of artists that moved to Germany in the 18th century and was the last to be born in the family's home town.
[1] He began working in Munich around the years 1781–2, then moved to Mannheim.
Many years later, in 1798, he assisted Friedrich Wilhelm von Erdmannsdorff in providing decorations for a new theater in Dessau.
[2] Towards the end of his life, he returned to Munich and served as the court theater architect, succeeding his uncle Lorenzo.
[2] His brother, Giuseppe Quaglio, was also a scenic designer.