Piattoli, Gaetano a Florentine painter, was born in 1703. He studied under Francesco Riviera at Leghorn. Lanzi says he is particularly extolled for the excellence of his portraits. He found abundant employment at Florence in that branch of the art, and was not only patronized by the inhabitants, but was employedto paint the portraits of the foreign nobility who visited that city. He died in 1770.