Paulo Alexandre Rodrigues Fonseca (born 5 March 1973) is a Portuguese professional football manager and former player who played as a central defender. He is currently manager of Ligue 1 club Lyon. He amassed Primeira Liga totals of 111 matches and three goals over seven seasons, representing Leça, Belenenses, Marítimo, Vitória de Guimarães and Estrela da Amadora. Fonseca became a manager in 2005, notably winning the 2015–16 Taça de Portugal with Braga as well as three editions of the Ukrainian Premier League with Shakhtar Donetsk. He also coached Paços de Ferreira to a best-ever third place in the 2012–13 Primeira Liga, qualifying the club for the UEFA Champions League. Following a couple of seasons in charge of Roma in Serie A, he joined Lille in June 2022, leaving two years later and returning to Italy with AC Milan, being dismissed in December 2024.