Aston le Walls is a village and civil parish in West Northamptonshire, England, close by the border with Oxfordshire. The village is about 9 miles (14.5 km) north of Banbury in Oxfordshire, and 10 miles (16.1 km) south of Daventry. Neighbouring villages are Chipping Warden, Lower Boddington Upper Boddington and Byfield. According to the 2001 census the village had a population of 334 falling to 293 at the 2011 census.