Copston Magna is a very small village and civil parish in the Rugby borough of Warwickshire, England. It is located around 9 miles (14 km) northwest of the town of Rugby, 6 miles (9.7 km) southeast of Nuneaton. Though it is only 1.5 miles (2.4 km) east of the larger village of Wolvey, Copston Magna was historically part of the parish of Monks Kirby, 3.5 miles (5.6 km) to the south. Copston is located close to the ancient site of High Cross, on the border between Warwickshire and Leicestershire, where the Roman roads of Watling Street and Fosse Way cross each other. In the 2021 Census, the parish had a population of 41.