Pietro Marchesini (April 7, 1692 - October 24, 1757) was an Italian painter of the Baroque period, active in Tuscany.
He was patronized by Lorenzo Maria Gianni, and studied with Anton Domenico Gabbiani in Florence.
For the Gianni family, he often traveled to create a number of copies of originals of Titian, Veronese, Raphael, Carracci, and Andrea del Sarto.
His travels gave his paintings a Venetian coloration.
This article about an Italian painter born in the 18th century is a stub.