See main article: 2016 Rio Open. Martin Kližan and Philipp Oswald were the defending champions, but Kližan chose not to participate this year. Oswald played alongside Guillermo Durán, but lost in the first round to Rogério Dutra Silva and João Souza.
Juan Sebastián Cabal and Robert Farah won the title, defeating Pablo Carreño Busta and David Marrero in the final, 7–6(7–5), 6–1.