Cumbernauld and Kirkintilloch is a constituency of the House of Commons of the Parliament of the United Kingdom.

It was created for the 2005 general election, replacing Cumbernauld and Kilsyth and part of Strathkelvin and Bearsden.

[1] Under the Fifth Review of UK Parliament constituencies, the boundaries were defined in accordance with the ward structure in place on 30 November 2004.

The western, mostly rural, areas including Lennoxtown, Milton of Campsie, Twechar and the Campsie Fells were joined in the east and south by eastern parts Kirkintilloch and the entire towns of Cumbernauld and Kilsyth.

Further to the 2023 review of Westminster constituencies, the newly named constituency comprises the following wards or part wards: The boundary review resulted in the gain of Stepps, Chryston and Muirhead from Coatbridge, Chryston and Bellshill (renamed Coatbridge and Bellshill), partly offset by the transfer of Lennoxtown and Milton of Campsie to Mid Dunbartonshire.