Guanambi is a municipality located in the state of Bahia, Brazil. Established in 1919, it currently serves as a significant regional center within the state.
As of 2020 estimates by the IBGE, the city has a population of 84,928 inhabitants and covers a total area of 1,272.367 km². It ranks as the 20th most populous municipality in Bahia. The current mayor of Guanambi is Nilo Coelho.