Clackmannanshire ( or ) is a historic county and council area in Scotland, bordering the council areas of Stirling, Fife and Perth & Kinross.
The name is derived from the meaning "Stone of Manau". As Britain's smallest historic county, it is often nicknamed "The Wee County". When written, Clackmannanshire is commonly abbreviated to Clacks. Clackmannanshire was the first to declare during the Scottish Independence Referendum.