San Lorenzo is a church building in the sestiere of Castello of Venice, northern Italy.

The church dates to the 9th century, and became attached to the neighboring Benedictine monastery.

The high altar was partially sculpted by Giovanni Maria da Cannaregio using designs by Girolamo Campagna.

Saint Paul I of Constantinople relics were brought to Venice in 1226.

This article about a church building or other Christian place of worship in Italy is a stub.