Mohamed Diab Al-Attar, known as Ad-Diba, (Arabic: محمد دياب العطار‎; 17 November 1927 – 30 December 2016), was a footballer who played for the Al Ittihad Alexandria Club and the Egypt national football team. He later served as an international football referee. In 2007, he was named one of the 200 greatest African footballers of all time.