Nando Reis e Os Infernais (or simply Os Infernais) is a Brazilian rock band founded by Nando Reis. It is the band that plays with him in studio and during live performances for his solo albums. From MTV Ao Vivo on, all albums by Nando Reis started being credited to both him and the band. Before the band was officially founded, keyboardist Alex Veley and guitarist Walter Villaça had already worked with Nando in his solo album Para Quando o Arco-Íris Encontrar o Pote de Ouro, which was recorded in Seattle.

Though Nando lives in São Paulo, the band is based in Rio de Janeiro.