Oussama Khennoussi (born 28 December 1999) is an Algerian track and field athlete who is national record holder in the discus throw.

[3] Khennoussi became Algerian national champion in the discus for the first time on 31 July 2022, in Dély Ibrahim.

[4] He was a bronze medalist at the Islamic Solidarity Games in Konya in August 2022 with a throw of 60.59 metres.

[8] In August 2023, he was a bronze medalist in the discuss at the World University Games in Chengdu, with a throw of 61.33 metres.

[9] Khennoussi was a silver medalist in the discus at the 2023 African Games in Accra with a throw of 59.97 metres.