Rousham is a village and civil parish beside the River Cherwell in Oxfordshire. The village is about west of Bicester and about north of Kidlington. The parish is bounded by the River Cherwell in the east, the A4260 main road between Oxford and Banbury in the west, partly by the B4030 in the north, and by field boundaries with Tackley parish in the south. The 2001 Census recorded the parish's population as 80.
Rousham was founded early in the Anglo-Saxon era. Its toponym is derived from Old English meaning Hrothwulf's ham or farm.