Giovanni Giacomo Di Conforto or Giovanni Giacomo Conforto (1569 – Naples, June 1630) was an Italian architect and engineer, active mainly in Naples, Italy, in a late Mannerist style.
He participated in the construction of many churches in Naples. His projects include Santa Teresa degli Scalzi (or agli Studi) (1602-1612) whose facade was completed by Cosimo Fanzago, Santa Maria della Verità (San Agostino agli Scalzi), as well as rebuilding of the Certosa di San Martino and San Severo al Pendino.