Didcot and Wantage is a constituency of the House of Commons in the UK Parliament.

[2][3] Further to the completion of the 2023 Periodic Review of Westminster constituencies, it was first contested at the 2024 general election.

The seat was won by Olly Glover representing the Liberal Democrats.

The constituency is named for the towns of Didcot and Wantage in Oxfordshire.

[5] The constituency is composed of the following (as they existed on 1 December 2020): It comprises the majority of the former Wantage constituency plus a small part of the former Henley electorate (Sandford-on-Thames):[7] Wantage prior to 2024