Harborough, Oadby and Wigston (/ˈhɑːrbərə, -bʌrə/) is a constituency[n 1] covering the south east of Leicestershire[n 2] represented in the House of Commons of the UK Parliament[n 3] since 2017 by Neil O'Brien of the Conservative Party.

Further to the 2023 Periodic Review of Westminster constituencies, which came into effect for the 2024 general election, the composition of the constituency is as follows (as they existed on 1 December 2020): Minor adjustments to take account of ward boundary changes.

The constituency takes its name from the town of Market Harborough, seat of the Harborough local government district, combined with the Borough of Oadby and Wigston which adjoins Leicester.

UKIP originally selected Clive Langley, who was replaced by Mark Hunt in March 2015.

The political parties had been making preparations for an election to take place and by July 1914, the following candidates had been selected: