Raphael Augusto Santos da Silva (born 6 March 1991) is a Brazilian professional footballer who plays for Indian club Chennaiyin FC as a midfielder.
Born in Rio de Janeiro, Augusto graduated from the youth academy of Fluminense and made his senior debut in the Série A season. After playing for Duque de Caxias and América-RN in his country on loan, he joined Major League Soccer club D.C. United on loan on 28 July 2012. On 11 November, he made his debut, coming on as a substitute for the injured Marcelo Saragosa in a 3–1 defeat against Houston Dynamo. On 14 June 2013, he returned to his parent club after his contract was terminated by mutual consent. Seven days later, he joined Polish club Legia Warsaw on a loan deal. On 14 May 2014, manager Henning Berg announced that Augusto would return to Flu in summer.
After loan stints with Bangu and Madureira in 2015, Augusto was loaned out to Indian Super League club Chennaiyin FC on 11 August 2015. On 18 November, he scored his first goal for the club in a 2–1 defeat against ATK. Although his club went on to win the league, he missed the final due to an injury. On 17 July 2016, he signed permanently with the club. He went on to play all the matches for the club during the season.