HM Prison Rye Hill is a Category B men's private prison, operated by G4S. Rye Hill has exclusively housed sex offenders since 2014. The prison is next to HMP Onley and Rainsbrook Secure Training Centre, south of Rugby, in the parish of Barby, Northamptonshire, England. However, the postal address of the prison is Willoughby, Warwickshire; therefore, most sources list the prison as in Willoughby, Warwickshire.