Greenham is a village and civil parish in Berkshire, England. It was recorded in the Domesday Book as Greneham.
It is situated just to the south-east of Newbury and is in the West Berkshire district of England.
The former airbase RAF Greenham Common, is located to the south-east of the village, surrounded by the Common which covers most of the parish. Newbury Racecourse is also in Greenham.