Alexandre Pereira Barbosa (born January 3, 1974), known professionally as MV Bill, is a Brazilian rapper, singer, actor, songwriter and co-author of the best-selling book Falcão - Meninos do Tráfico.

The initials "MV" stand for "Mensageiro da Verdade", Portuguese for "Messenger of Truth", and the nickname Bill came from a favorite childhood toy.

He founded a network of NGOs located in Rio including CUFA, which strive to teach hip-hop skills, graffiti, and break dancing to children, alongside educational classes such as computer training.

[5] He has been credited with releasing one of the first Brazilian grime songs, "Cidadão Comum Refém", in 2002 after being influenced by a Dizzee Rascal CD.

[1] His younger sister, Kamilla "Kmila CDD" Barbosa is a well-known rapper who is considered one of the biggest names in the female rap scene in Brazil.