Barroso is a Brazilian municipality in the south of the state of Minas Gerais. It belongs to the mesoregion of Campo das Vertentes and to the microregion of Barbacena.
As of 2025 the municipality had a population of 20,604 people living in an area of 82.07 square kilometres (31.69 square miles). Its elevation is 920 metres (3,020 feet).
Barroso lies 27 kilometres (17 miles) west of Barbacena, an important regional centre, to which it is connected by the MG-265 highway.