Ayr, Carrick and Cumnock is a county constituency represented in the House of Commons of the Parliament of the United Kingdom. It was created for the 2005 general election from parts of the old Ayr and Carrick, Cumnock and Doon Valley constituencies. It has been represented since 2019 by Allan Dorans of the Scottish National Party.

Ayr was a county constituency of the House of Commons of the Parliament of the United Kingdom from 1950 to 2005. It elected one Member of Parliament (MP) by the first-past-the-post system of election.