Campolongo Maggiore is a town in the Metropolitan City of Venice, Veneto, Italy.

The Cunetta Brenta separates the principal village from Bojon, the main frazione.

Campolongo Maggiore is governed by a centre-left political party.

It is notorious for being the hometown of Felice Maniero, former boss of the criminal organization Mala del Brenta.

This article on a location in Veneto is a stub.