Barão de Cocais is a Brazilianmunicipality located in the state of Minas Gerais. Its population as of 2006 is estimated to be 28,432 people living in an altitude between 682 and 1425 meters. The area of the municipality is 340.675 square kilometres (131.535 sq mi). The city belongs to the mesoregion Metropolitana de Belo Horizonte and to the microregion of Itabira.
The municipality contains the Gongo Soco mine, once a gold mine and later a large iron ore operation, which closed in April 2016.