Dennis Siver
- Born- Omsk, Russia
- Age- 31
- Height- 5′7″ (170 cm)
- Weight- 155 (70 kg)
- MMA Record- 14-6
- Fighting out of- Mannheim, Germany
- Strengths- Kickboxing, take downs
- Team/Association- OC Fight Team
Last 3 fights
- Win against Paul Kelly via TKO at UFC 105
- Win against Dale Hartt via rear naked choke at UFC 99
- Win against Nate Mohr via TKO at UFC 93