1485–1548) was an Italian Cardinal and papal legate.
He was from a noble family in Milan, the eighth child of Giovanni Trivulzio di Borgomanero, a Councillor of the Dukes of Milan, and Angela (or Agnolina, or Anna) Martinengo of Brescia, and was the nephew of Cardinal Gianantonio (or Antonio) Trivulzio (1500-1508).
Another uncle, Cardinal Antonio's brother Teodoro, was Governor of La Palice, of Genoa (from 1526), of Milan, and a Marshal of France.
Giovanni and Angela had a daughter named Damigella or Domtilla who was famous for her learning.
Cardinal Agostino Trivulzio had a nephew named Giovanni, who married Laura Gonzaga.