Ahmed Moustafa Hussein (Arabic: أحمد مصطفى حسين; born 25 May 1983) is an Egyptian former swimmer who specialized in backstroke events.

Hussein made his first Egyptian team at the 2000 Summer Olympics in Sydney, where he competed in the men's 200 m backstroke.

[3][4] In the 100 m backstroke, Hussein participated in heat three against seven other swimmers, including Olympic veteran Derya Büyükuncu of Turkey.

Hussein saved a seventh spot on the same heat as Sydney over South Korea's Sung Min, who finished behind him in last place by 0.04 of a second, with a time of 2:04.82.

[7][8] At the 2005 Mediterranean Games in Almería, Spain, Hussein won a total of three medals in the same discipline, a silver in the 100 (56.06) and a bronze in the 50 m backstroke (25.86).