Rabah "Mustapha" Madjer (Arabic: رابح ماجر; born 15 December 1958) is an Algerian former footballer who played as a striker. He reached stardom as a Porto player during the 1980s, being widely regarded as one of the best Algerian football players of all time. With that club he won nine major titles during his six-year spell, including three national championships and the 1987 European Cup. One of the most prolific Algerian internationals in number of games and goals, Madjer played in two World Cups with his national team, helping it to its first ever participation in 1982. Having taken up coaching immediately after retiring, he managed several clubs, and also had several spells with the Algerian team.