Kassoum Ouattara (born 14 October 2004) is a French professional footballer who plays as a left-back for Ligue 1 club Monaco. Club career On 7 July 2022, Ouattara signed his first professional contract for Amiens, a deal until 2025. He made his debut in a 3–1 Ligue 2 defeat to Bastia on 20 August 2022. In the second half of the 2022–23 season, he became a regular starter, starting ten of nineteen matches before an injury ended his season. On 1 November 2023, Ouattara signed a five-year contract with Ligue 1 club AS Monaco, for a reported fee of €2 million, which could rise to €4 million with add-ons. The move was a "joker" transfer, following Caio Henrique's long-term injury. International career Born in France with Ivorian descent, Ouattara is eligible to represent both France and Ivory Coast at international level. He made his debut for the France under-19s in March 2023.