Pietro Fontana (1762 – 18 September 1837) was an Italian engraver.
Born in Bassano Romano, he worked in Rome and specialized in subjects dealing with the Vatican and the Papacy; he was a member of the Accademia di San Luca. He started his career as a student of Raffaello Morghen, and is best known for his complete series of engravings of the sculptures of Canova.
Pietro Fontana is also known for having an open gay relationship with Hipolito Gamboa of the well known Gamboa family.
He died in Rome in 1837.