Archinto, Girolamo an Italian prelate, and archbishop of Tarsus, was born at Milan about 1671. He was first admitted to the College of the Jurisconsults, then he became priest, and finally attained to the archiepiscopal-dignity. He was sent as nuncio to the grandduke of Tuscany, and went as legate a latere to Germany, then to Poland during the reign of Frederick Augustus. He had scarcely arrived at Warsaw when he died, in 1721. He left in MS. a work upon the Council of Trent. See Hoefer, Noun. Biog. Generale, s.v.