| Intro | Egyptian swimmer |
| Is |
Athlete Swimmer |
| From | Egypt |
| Type | Sports |
| Gender | male |
| Birth | 14 March 1990 |
| Age: | 30 years |
Mazen Metwaly (Arabic: مازن متولي; born 14 March 1990) is a Saudi Arabian-born Egyptian professional swimmer, specialising in Open water swimming. He competed at the 2012 Summer Olympics.