San Cassiano is a town and comune in the Italian province of Lecce and region of Apulia in south-east Italy.

San Cassiano may also refer to:

San Cassiano, Venice, Roman Catholic church in Venice, Italy San Cassiano Altarpiece, painting by Antonello da Messina San Cassiano Formation, geologic formation located on the Southern Alps Teatro San Cassiano, first public opera theatre in Venice, Italy

See also

Abbey of San Cassiano Cassiano (disambiguation) San Casciano (disambiguation)