Ayr, Carrick and Cumnock is a county constituency represented in the House of Commons of the Parliament of the United Kingdom.

[1] Further to reviews of local government ward boundaries which came into effect in 2007 and 2017, but did not affect the parliamentary boundaries, the contents of the constituency are now defined as follows: [2] The constituency covers approximately three-fifths of the South Ayrshire council area and one-fifth of the East Ayrshire council area.

[4] On indicators such as health, educational attainment, income and social class however the area is more deprived than the national average.

Further east, the constituency stretches into the south of the East Ayrshire Council area to cover a set of former mining communities around Cumnock and Doon Valley - it's an area which has traditionally returned a much stronger vote for the Labour Party and weaker Conservative vote in comparison to elsewhere in the Ayr, Carrick and Cumnock, This part of the constituency contains many towns and villages such as Patna, Dalmellington, Bellsbank, and Cumnock which are deprived former mining areas which traditionally returned a very strong vote for the Labour party.

The newly formed Ayr, Carrick and Cumnock constituency was won by Labour's Sandra Osborne at the 2005 general election with a majority of 9,997 votes (22.2%) ahead of the Conservatives.

Bill Grant of the Conservatives gained the seat at the 2017 snap general election with a majority of 2,774 votes (6.0%) over Corri Wilson of the SNP.

The SNP have formed the largest party on East Ayrshire Council since 2012, however, Labour remain the largest party in Cumnock and Doon Valley, the part of East Ayrshire covered by the Ayr, Carrick and Cumnock parliamentary constituency.