Sergio Gutiérrez Ferrol (Spanish pronunciation: [ˈseɾxjo ɣuˈtjereθ feˈrol]; born 5 March 1989) is a tennis player from Spain. He was Spanish junior champion in 2007 and has achieved a career-high singles ranking of World No. 156 in August 2018. His best result at tour level was reaching the quarterfinals of Casablanca.