Mohamed Mamoun (born 15 October 1981) is an Egyptian former professional tennis player.

[1][2] Born in Cairo, Mamoun was attached to the city's Heliopolis Club and made his debut for the Egypt Davis Cup team in 2001.

[3] He had a best singles world ranking of 272, with two ITF Futures title wins.

In 2007 he was a semi-finalist at the Samarkand Challenger and finished runner-up to Lamine Ouahab at the All-Africa Games in Algiers.

He made his final Davis Cup appearance for Egypt in 2009 and later served as team captain.