Koko Ange Mariette Christelle N'Guessan (born 18 November 1990) is an Ivorian professional footballer who plays for Primera Division club UDG Tenerife. She was part of the Ivory Coast squad for the 2015 FIFA Women's World Cup.
N'Guessan came to notice by scoring against Norway in a 3–1 defeat at the World Cup. She joined Lithuanian club Gintra Universitetas for the 2015–16 UEFA Women's Champions League qualifying round, then finished the season in Cyprus with Anorthosis Famagusta, scoring 17 goals in 13 league games. She signed for FC Barcelona in August 2016.