Youssuf Ishmaelo
- Real Name: Youssuf Ishmaelo
- Nickname: Original Terrible Turk
- Affiliation: Deceased
- Height: 6'2"
- Weight: 250 lbs.
- Date of birth: 1857
- Date of Death: July 4, 1898
- From: Shumia, Turkey
- Pro debut: 1894
- Trained by:
- Finisher:
- Former Member of: Terrible Turks
