The historic county of Cornwall in south-west England was represented in Parliament from the 13th century. This article provides a list of constituencies constituting the Parliamentary representation from Cornwall. In 1889 an administrative county of Cornwall was created. Unlike many other counties there has been no major change between the historic and administrative county boundaries. The first part of this article covers the constituencies wholly or predominantly within the area of the historic county. The second part refers to constituencies mostly in another historic county, which included some territory from the historic county of Cornwall (if any). The summaries section only refers to the constituencies included in the first section of the constituency list.

List of constituencies

The constituencies which existed in 1707 were those previously represented in the Parliament of England. Key to abbreviations:-

Constituencies wholly or predominantly in the historic county

Constituencies mostly in another historic county

Periods constituencies represented

Summaries

Summary of Constituencies by Type and Period

Note: Dates of representation prior to 1509 are provisional.

Summary of members of parliament by Type and Period