Gustavo Martins Furtado dos Santos (born 14 February 2001) is a Brazilian professional footballer who plays as a right winger for Russian club Sochi on loan from Krasnodar.
On 7 April 2025, Furtado signed a four-year contract with Russian Premier League champions Krasnodar, effective 15 June 2025.
On 19 February 2026, Gustavo moved on loan to Sochi in the same league.