Piddington is a village and former civil parish, now in the parish of Hackleton, in the West Northamptonshire district, in the ceremonial county of Northamptonshire, England. It is in the south of Northamptonshire, just north of Buckinghamshire. It is 6 miles (10 km) south of Northampton town centre, in a cul-de-sac off the main road at the War Memorial in the village of Hackleton, and about 1 mile (2 km) south-west of there. It has a geographic size of 1,693 acres (6.85 km2) and an average height of 300 ft (91 m), rising steadily to 400 ft (120 m) in Salcey Forest. In 1931 the parish had a population of 342.

Hackleton is a village located in West Northamptonshire, just north of Buckinghamshire. It is 5 miles (8.0 km) south of Northampton town centre, and 2 miles (3.2 km) by road to the M1 London to Yorkshire motorway junction 15 and 11 miles (18 km) north of junction 14. London is 62 miles (100 km) south via junction 14 and 47 miles (76 km) southeast of Birmingham via junction 15. It lies on the busy B526 road from Northampton to Newport Pagnell, between Horton and Wootton. The parish area is about 1,030 acres (420 ha).