Dinnington is a town in the civil parish of Dinnington St John's, in the Metropolitan Borough of Rotherham, in South Yorkshire, England. It is near to the towns of Worksop and Rotherham and cities of Sheffield and Doncaster.

The Metropolitan Borough of Rotherham is a metropolitan borough of South Yorkshire, England. It is named after its main settlement of Rotherham. The wider borough spans a larger area and covers the outlying towns of Maltby, Swinton, Wath-upon-Dearne, Dinnington. As well as the villages of Rawmarsh and Laughton. A large valley spans the entire borough and is referred to as the "Rother Valley".