Francavilla Fontana, a town and episcopal see of Apulia, Italy, in the province of Lecce, 22 m. by rail E. by N. of Taranto, 460 ft. above sea-level. Pop. (1901) 17,759 (town); 20,510 (commune). It is in a fine situation, and has a massive square castle of the Umperiali family, to whom, with Oria, it was sold by S. Carlo Borromeo in the 16th century for 40,000 ounces of gold, which he distributed in one day to the poor.