Douglas Santos is a 32-year-old professional football player from BRA. He currently plays for Zenit St. Petersburg, wearing the number 3 shirt. At the international level, he represents Brazil. He plays primarily as a Defender. He stands at 176cm tall and weighs 69kg. His preferred foot is Left. His current market value is estimated at 7.5M €.

His most recent move was a Free from Hamburger SV to Zenit St. Petersburg on 2019-07-03. The reported fee was 14M €.

Throughout the Russian Premier League 2025-2026, Douglas Santos featured in 12 matches, averaging 1.7 tackles, 0.8 interceptions, and 2.5 clearances per game, while blocking 0.8 shots per game.