The 2014–15 Oman Professional League Cup (known as the Mazda Professional Cup for sponsorship reasons) is the fourth edition of a domestic football competition held in Oman. The competition features four groups of 3-4 teams (Group A and B featured 4 teams and Group C and D featured 3 teams), with the group stage winners entering the semi-finals stage. Groups featuring three sides played each other twice so that each team could play 6 matches in the group phase. The competition featured all the clubs playing in the top flight in the 2014–15 season.