The historic county of Cambridgeshire, located in the modern-day East of England region, has been represented in Parliament since the 13th century.
This article provides the list of constituencies which have formed the parliamentary representation from Cambridgeshire.
The two administrative counties merged in 1965 to form Cambridgeshire and Isle of Ely.
This article covers only the constituencies wholly or predominantly within the area of the historic county of Cambridgeshire, both before and after the administrative changes of 1889, 1965 and 1974.
The constituencies which existed in 1707 were previously represented in the Parliament of England.