89 FM A Rádio Rock is a Brazilian radio station based in São Paulo that specializes in rock music. Founded in 1985, it was a pioneer in commercial rock radio in Brazil. The station broadcasts on 89.1 FM in the São Paulo metropolitan area and streams online.

After a brief period as a pop station from 2006-2012, 89 FM returned to its rock roots. Its programming is focused entirely on rock music, including classic rock, hard rock, metal, and alternative rock. Popular shows include morning and afternoon drive-time programs, specialty rock shows, and live music performances.

With the slogan "A Rádio Rock" (The Rock Radio), 89 FM aims to be the leading rock station in Brazil's largest city. It features both Brazilian and international rock artists and hosts concerts and events for rock fans in São Paulo.