Giulio Calvi (called Il Cobonato) (c. 1570–1596) was an Italian painter of the Renaissance. He was born in Cremona, and active there and at Soncino. He was a pupil of Giovanni Battista Trotti.

• Bryan, Michael (1886). Robert Edmund Graves (ed.). Dictionary of Painters and Engravers, Biographical and Critical. Vol. I: A-K. London: George Bell and Sons. p. 218.