Agustín Federico Marchesín (Spanish pronunciation: [maɾtʃeˈsin]; born 16 March 1988) is an Argentine professional footballer who plays as a goalkeeper for Portuguese team FC Porto and the Argentina national team. He began his career with Lanús, making 222 appearances and winning the Copa Sudamericana in 2013. He then spent several years in Mexico's Liga MX, winning league titles with Santos Laguna and Club América, before joining Porto in 2019. Marchesín made his international debut for Argentina in 2011, and was part of their squads that came runners-up at the 2015 Copa América and third at the 2019 Copa América.