Great Chishill is a village and former civil parish, now in the parish of Great and Little Chishill, in the South Cambridgeshire district, in the county of Cambridgeshire, England. The village is about 1 mile (1.6 km) east of the county boundary with Hertfordshire and about 4 miles (6 km) east of Royston. In 1961 the parish had a population of 293. The 2011 Census recorded Great and Little Chishill's population as 678.