Stevenston is a town and parish in North Ayrshire, Scotland. Along with Ardrossan and Saltcoats it is one of the "Three Towns", all of similar size, on the Firth of Clyde coast; the easternmost parts of Stevenston are about 1⁄2 mile from western parts of Kilwinning, the A78 trunk road runs between the settlements.

North Ayrshire is one of 32 council areas in Scotland. The council area borders Inverclyde to the north, Renfrewshire and East Renfrewshire to the northeast, and East Ayrshire and South Ayrshire to the east and south respectively. The local authority is North Ayrshire Council, formed in 1996 with the same boundaries as the district of Cunninghame which existed from 1975 to 1996.