The Castello Monforte is a castle and defensive complex in Campobasso, Italy.

The complex also houses the Campobasso Monforte meteorological station [it] and the Chiesa di Santa Maria Maggiore [it].

date the castle to 1459, built for Count Nicola II dei Monforte-Gambatesa [it]-also known as Cola Monforte.

During the 17th century, the castle was abandoned and began to deteriorate.

[1] In 2022, the Italian Order of Architects criticized the city of Campobasso for not involving directly the Order in the redevelopment project of the castle.