A prison service spokesman says those responsible for the disturbances “could spend longer behind bars.”
Teams of riot officers were called to high-security Long Lartin prison after dozens of inmates attacked staff.
Tornado teams of riot officers were dispatched to the Category A prison in Worcestershire on Wednesday night, which has a capacity of 622.
A Prison Service spokesman said the incident was resolved by specially trained staff and there were no reported injuries.
He added: “We do not tolerate violence in our prisons, and are clear that those responsible will be referred to the police and could spend longer behind bars.”