Maltby is a former mining town and civil parish of 16,688 inhabitants (2011) in the Metropolitan Borough of Rotherham, South Yorkshire, England. It was historically in the West Riding of Yorkshire. It is located about 6 miles (10 km) east of Rotherham town centre and 10 miles (16 km) north-east of Sheffield city centre. It forms a continuous urban area with Hellaby, separated from the rest of Rotherham by the M18 motorway.