Grantham and Bourne is a parliamentary constituency of the House of Commons in the UK Parliament.

[2] It was first contested at the 2024 general election, since when it has been held by Gareth Davies of the Conservative Party (MP for Grantham and Stamford 2019–2024) The constituency is composed of the following electoral wards: It comprises the majority of the abolished constituency of Grantham and Stamford, excluding the town of Stamford and extended northwards to include a minority of the Sleaford and North Hykeham constituency.

Grantham and Stamford prior to 2024