Giovanni Antonio Guardi (1699 - 23 January 1760), also known as Gianantonio Guardi, was an Italian painter. Guardi was one of the founders of the Venetian Academy in 1756.

Born at Vienna, he was the son of a minor Baroque painter from Trentino, and the elder brother of the more famous Francesco Guardi.

He may have received his artistic training in Vienna, where he is first recorded in 1719, but had established a workshop in Venice by 1730. Among his first important clients was the connoisseur and collector Johann Matthias von der Schulenburg, for whom Guardi multiple paintings with an Orientalist theme. He produced copies after the work of other artists, as well as a series of originals with Turkish-inspired interiors as easel...