Adstone is a village and civil parish in West Northamptonshire, England. The population at the 2001 census was 65. It remained than 100 at the 2011 census and was included in the civil parish of Tiffield. Adstone is situated approximately 6.5 miles (10 km) south-southeast of Daventry and 6.5 miles (10 km) west-northwest of Towcester. It was known as Atenestone in the Domesday Book.