Sunninghill and Ascot is a civil parish in the Royal Borough of Windsor and Maidenhead and takes up most of the south-east corner of the English county of Berkshire. It covers the town of Ascot, and the village of Sunninghill including the neighbourhoods Cheapside and South Ascot. As well as part of the village of North Ascot.

Before 12 August 2004, the civil parish was Sunninghill, a church on its small hilltop has existed verifiably since 1120 and possibly more than a century before, that is, in Anglo Saxon England. Ascot was a purely forested rural part of Winkfield until its chapel was upgraded to a church in the late 19th century. Its succession of churches reflects the wealth and breadth of Christianity of the combined as much as its population expansion:

It has since 1857 one railway station, Ascot, on the Waterloo to Reading Line. A former part of Windsor Forest it does not have dual carriageways; part of the high street of Ascot is briefly dualled to one side. Less than 2 miles (3.2 km) east and south is the A30 which further beyond feeds into the motorway network, the M3 to the south and the M25 to the north.

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