Moor Park and Eastbury is a ward in Three Rivers, in England. It is located in south-west Hertfordshire, in the East of England region. The ward includes the eponymous twin towns of Moor Park and Eastbury, lying between Rickmansworth to the west, Croxley Green to the north, South Oxhey to the east, and Northwood to the south.
As one of the more populous wards in the district, with an electorate of 4,611, rising to 5,532 at the 2011 Census, the ward elects three members to Three Rivers District Council. It is represented by three Conservative councillors (Kemal Butt, Ralph Sangster, and Amrit Mediratta). For elections to Hertfordshire County Council, Moor Park and Eastbury is part of the Oxhey Park constituency, represented by the Conservative Frances Button. For elections to the House of Commons, it is in the South West Hertfordshire constituency, represented by David Gauke, also of the Conservatives.