The Malpaga Castle is a castle in the communal territory of Cavernago, a village in the province of Bergamo, northern Italy. Its main features are the interior rooms frescoed by the Renaissance painter Il Romanino.
An early medieval castle had been in ruins after a raid in the 1440s. In 1456, the condottiero and nobleman Bartolomeo Colleoni acquired the ruined castle from the commune of Bergamo. He enlarged and enriched it not only as a military base for his troops, but also as a seigneurial residence, in the typical Italian Renaissance fashion.
The castle layout is square, surrounded by two lines of walls and a ditch. The first line, now disappeared, included the stables and the barracks.