La Valletta Brianza (Brianzöö: La Valetta [la ʋaˈlɛta]) is a comune in the province of Lecco, Lombardy, northern Italy. It was created on 30 January 2015 when the two former communes o Perego and Rovagnate merged. The communal seat is located in the latter hamlet.

It is located about 35 kilometres (22 mi) northeast of Milan and about 13 kilometres (8 mi) south of Lecco.