Formose Mendy (born 8 October 1993) is a French professional footballer who plays as a centre-back for club Rouen.
Mendy signed a contract with Zulte Waregem in 2013, having come through the youth system at Lille. In May 2014 he signed a two-year extension with the club with the option of two further years.
In July 2016 Mendy signed a two-year contract with Red Star. He was appointed captain during the 2017âÂÂ18 season, following the injury to Matthieu Fontaine. He extended his contract at the club for a further three years in May 2018.
In July 2020, Mendy joined Championnat National rivals Boulogne.
On 22 July 2022, Mendy signed a two-year deal with Avranches in Championnat National. On 13 June 2025, he signed for Rouen.
Mendy is a France youth international of Senegalese and Bissau-Guinean descent, capped nine times at Under-17 level. He was called up to the preliminary squad for Guinea Bissau for the 2017 Africa Cup of Nations.