According to Franklin-based State Police, Chester Thompson, 52, of Lyndora was driving south up a hill on Williams Road when he lost control of the vehicle and it spun in a clockwise direction.
The 2005 Jeep Liberty slid into a ditch and rolled onto its driver side.
Thompson and two passengers, Harvey Albert, 40 of Butler, and Eileen Mille, 28, of Lyndora, were not wearing seat belts.
Thompson and Mille were taken to Clarion Hospital by Emlenton EMS with suspected minor injuries.
Thompson was cited for driving too fast.
Clintonville Volunteer Fire Department assisted at the scene.