Gillingham and Rainham is a constituency[n 1] in Kent represented in the House of Commons of the UK Parliament since 2024 by Naushabah Khan of the Labour Party.

2023–present: Further to a local government boundary review which came into effect in May 2023,[3][4] the constituency now comprises the following wards of the Borough of Medway: The 2023 Periodic Review of Westminster constituencies, which was based on the ward structure in place at 1 December 2020, left the boundaries unchanged.

[6] The constituency is generally suburban and centred on Gillingham, historically a small port, which is within the London Commuter Belt.

Local retail, industry, business parks, trades and professions provide constituents with a high level of employment, mostly on moderate to middle incomes;[7] however, the area is not wholly resilient to unemployment.

The current constituency had been considered a safe Conservative seat until 2024.