La sposa fedele (The Faithful Bride) is an opera buffa (or according to some sources, dramma giocoso[1]) in three acts by Pietro Alessandro Guglielmi.
It was Guglielmi's most successful opera, mixing comedy and pathos.
La sposa fedele was first performed at the Teatro San Moisè in Venice on 26 December 1766,[2] though it is possible that it was given first in Cremona in 1765.
Rosinella and Pasqualino are separated when their ship is wrecked near the home of the Marchese del Vento Ponente.
The Marchese and Conte Lelio have designs on Rosinella, but she is true to Pasqualino.