Lower Catesby is a hamlet in the civil parish of Catesby, Northamptonshire, about 4 miles (6.4 km) southwest of Daventry. Lower Catesby is beside the nascent River Leam, which rises about 1 mile (1.6 km) to the south in the parish of Hellidon. The Jurassic Way long-distance footpath passes through Lower Catesby. The population of the hamlet is included in the civil parish of Hellidon.