Rainsborough Camp is an Iron Age hillfort in West Northamptonshire, England, between the villages of Croughton, Aynho, and Charlton.

There are extensive views to the north-west towards the Cherwell valley; the land is flat to the south-east.

[1] It is a bivallate fort, roughly oval, and longest from north to south; the area is about 2.6 hectares (6.4 acres).

There are slight traces of a ditch outside the outer rampart on the west side.

the fort was refortified: the ramparts had a glacis form, and the entrance was rebuilt.