Mazahir is both a given name and a surname. Notable people with the name include:
- Mazahir Abasov (1918–2002), Azerbaijani aviator
- Mazahir Afandiyev (born 1976), Azerbaijani politician
- Mazahir Amir Khan, Pakistani politician
- Mazahir Rustamov (1960–1992), National Hero of Azerbaijan
- Nisham Mazahir (born 1989), Sri Lankan cricketer