Widnes and Halewood is a constituency of the House of Commons in the UK Parliament.

[2] Further to the completion of the 2023 Periodic Review of Westminster constituencies, it was first contested at the 2024 general election.

[3] The Member of Parliament elected in 2024 is Derek Twigg of the Labour Party, who was formerly MP for Halton.

The constituency crosses the boundary of the ceremonial counties of Cheshire and Merseyside, and comprises the following wards (as they existed on 1 December 2020): The seat covers the following areas:[5]