Alvinópolis is a Brazilian municipality in the state of Minas Gerais. It belongs to the mesoregion Metropolitana de Belo Horizonte and to the microregion of Itabira.
As of 2020, its population was estimated at 15,169. The municipality is situated in the interior of Minas Gerais, within the wider Belo Horizonte metropolitan mesoregion, though it is not part of the state capital's immediate urban area.