Tamer Hamed Ali Zinhom Muhammad (also Tamer Hamed, Arabic: ???? ???? ??? ????? ?????; born February 4, 1974) is an Egyptian former swimmer, who specialized in sprint freestyle and butterfly events.
He is a two-time Olympian (1996 and 2000), and an Egyptian record holder in the 50 m freestyle.
Hamed made his official debut at the 1996 Summer Olympics in Atlanta.
He failed to reach the top 16 final in any of his individual events, finishing forty-sixth in the 100 m butterfly (56.46), and forty-seventh each in the 50 m freestyle (24.02) and 100 m freestyle (52.16).At the 2000 Summer Olympics in Sydney, Hamed competed only in a sprint freestyle double.
He achieved FINA B-standards of 23.39 (50 m freestyle) and 52.14 (100 m freestyle) from the Egyptian Championships in Cairo.
In the 100 m freestyle, Hamed placed forty-fourth on the morning prelims.
Swimming in heat four, he edged out Colombia's Fernando Jácome and Singapore's Mark Chay to race for a fourth seed by a tenth of a second (0.10) in 52.14.
Two days later, in the 50 m freestyle, Hamed participated in heat five against seven other swimmers, including three-time Olympians Richard Sam Bera of Indonesia and Allan Murray of the Bahamas, top 16 finalist in Atlanta four years earlier.
He raced to a fifth seed and forty-sixth overall in 23.77, just a small fraction off his entry time.