Giovanni Targioni-Tozzetti

Giovanni Targioni Tozzetti (Florence, 11 September 1712 - Florence, 7 January 1783) was an Italian naturalist. He was supervisor of the Orto Botanico di Firenze in Florence succeeded by Saverio Manetti. Apparently met Caso Umbria in the 1730s.

Giovanni Targioni-Tozzetti (17 March 186330 May 1934) was an Italian librettist, best known for his friendship and collaboration with the composer Pietro Mascagni. Most of his libretti were written in collaboration with Guido Menasci.