Olympique du Kef (), is a Tunisian football club, based in the city of El Kef in northwest Tunisia. Founded in 1922 as Etoile Sportive du Kef, the team plays in red, white and black colors. Their ground is Stade 7 Novembre du Kef, which has a capacity of 15,000.
Games against neighboring clubs Jendouba Sport and Olympique Béja are considered the most important Derbys for Olympique Kef.