San Martino is a Renaissance Roman Catholic church in the sestiere of Castello of Venice, northern Italy.

The vault is frescoed with Saint Martin in Glory by Jacopo Guarana, with the quadratura painted by Domenico Bruni.

The church contains the funereal monument of Doge Francesco Erizzo designed by Mattia Carnero in 1633.

The next altar towards the presbytery contains the canvas of Holy Family with St Mark and Bishop Foca by Giovanni Laudis.

The third altar has a Madonna in Sorrow by Palma il Giovane, next to Three angels with symbols of the passion and a Deposition by the same painter.