Newton Mearns is a suburban town and the largest settlement in East Renfrewshire, Scotland. It lies 7 miles (11 km) southwest of Glasgow City Centre on the main road to Ayrshire, 410 feet (125 m) above sea level. It has a population of approximately 26,993, stretching from Whitecraigs and Kirkhill in the northeast to Maidenhill in the southeast, to Westacres and Greenlaw in the west and Capelrig/Patterton in the northwest.

East Renfrewshire is one of 32 council areas of Scotland. It was formed in 1996, as a successor to the Eastwood district of the Strathclyde region. The northeastern part of the council area is close to Glasgow and many of the council area's northern settlements fall into the Greater Glasgow urban area.