Oussama Idrissi (born 26 February 1996) is a professional footballer who plays as a winger for Eredivisie side AZ and the Morocco national team. Born in the Netherlands to parents from Morocco, he has represented the Netherlands at various youth levels, before declaring his allegiance to Morocco.
Idrissi made his professional debut for FC Groningen on 19 December 2015 in the Eredivisie match against Heracles Almelo. He came on in the 70th minute for Jarchinio Antonia. He scored his first league goal for the club on 7 February 2016 in a 2–0 home win over Cambuur. His goal, assisted by Simon Tibbling, came in the 75th minute. In October 2017, after playing regularly for two years in Groningen, the club suspended him and Mimoun Mahi citing disciplinary problems.
On 17 January 2018, Idrissi signed a contract with AZ, in a deal keeping him in Alkmaar through the 2021–22 season. He made his league debut for his new club on 19 January 2018 in a 1–1 away draw with Utrecht. He was subbed on for Jeremy Helmer in the 77th minute. He scored his first league goal for AZ on 24 February 2018 in a 2–1 home victory over Sparta Rotterdam. Idrissi also provided an assist to Wout Weghorst on AZ's first goal of the day. Idrissi's goal, assisted by Stijn Wuytens, came in the 86th minute and won the match for AZ. He scored his first goal in the Europa League during a 6–0 rout against Astana.