On 12 July 2017, Alves joined French side Paris Saint-Germain on a free transfer, signing a two-year contract. He made his debut for the club on 29 July in the 2017 Trophée des Champions, scoring once and assisting the winning goal for Adrien Rabiot in a 2–1 victory over 2016–17 Ligue 1 champions Monaco. On 5 August, Alves assisted Edinson Cavani for PSG's first goal of the 2017–18 Ligue 1 season in a 2–0 win over Amiens at the Parc des Princes.