Greenhills is a small village or hamlet in North Ayrshire, Parish of Beith, Scotland. It lies between the settlements of Barrmill and hamlet of Burnhouse on a crossroads of the B706 and the lanes to Nettlehirst and Tandlehill via Thirdpart. It is named after the 'Green Hill' an artificial mound, a Moot, Law or Justice hill that once stood here. The settlement lay within the old Barony of Giffen; the castle no longer exists. The village lies within Barrmill and District Community Association's area and is also covered by Beith Community Council.