Harborough (/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.

It is considered a safe seat for the Conservative Party, as there has been a Conservative MP here since 1950.

Following the 2023 Periodic Review of Westminster constituencies, the constituency will have the full name of Harborough, Oadby and Wigston from the next general election.^[2]

1885–1918: The Municipal Borough of Leicester, the Sessional Divisions of Lutterworth and Market Harborough, and parts of the Sessional Divisions of Leicester and East Norton.

1918–1950: The Urban Districts of Market Harborough, Oadby, and Wigston, and the Rural Districts of Blaby, Hallaton, Lutterworth, and Market Harborough.

1950–1955: The Urban Districts of Market Harborough, Oadby, and Wigston, and the Rural Districts of Blaby, Lutterworth, and Market Harborough.

1955–1974: The Urban Districts of Market Harborough and Wigston, and the Rural Districts of Blaby, Lutterworth, and Market Harborough.

1974–1983: The Urban Districts of Market Harborough, Oadby, and Wigston, and the Rural Districts of Billesdon and Market Harborough.^[3]

1983–1997: The District of Harborough wards of Billesdon, Bosworth, Easton, Fleckney, Glen, Houghton, Kibworth, Langton, Lubenham, Market Harborough Bowden, Market Harborough North, Market Harborough South, Market Harborough West, Scraptoft, Thurnby, and Tilton, and the Borough of Oadby and Wigston.

1997–2010: The District of Harborough wards of Bosworth, Fleckney, Glen, Kibworth, Langton, Lubenham, Market Harborough Bowden, Market Harborough North, Market Harborough South, and Market Harborough West, and the Borough of Oadby and Wigston wards of All Saints, Bassett, Brocks Hill, Brookside, Central, Fairfield, Grange, St Peter's, St Wolstan's, and Westfield.

2010–present: The District of Harborough wards of Bosworth, Fleckney, Glen, Kibworth, Lubenham, Market Harborough Great Bowden and Arden, Market Harborough Little Bowden, Market Harborough Logan, and Market Harborough Welland, and the Borough of Oadby and Wigston wards of Oadby Brocks Hill, Oadby Grange, Oadby St Peter's, Oadby Uplands, Oadby Woodlands, South Wigston, Wigston All Saints, Wigston Fields, Wigston Meadowcourt, and Wigston St Wolstan's.

After the next general election: The District of Harborough wards of Glen, Kibworths, Lubenham, Market Harborough Great Bowden and Arden, Market Harborough Little Bowden; Market Harborough Logan; Market Harborough Welland, and the Borough of Oadby and Wigston.^[4]

The constituency takes its name from Market Harborough, seat of the Harborough local government district. The constituency excludes parts of the Harborough district (including some eastern suburbs of Leicester which are in the Rutland & Melton constituency, but includes the smaller borough of Oadby and Wigston that adjoins Leicester.

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Harborough is one of the wealthier constituencies in the East Midlands.^[5] It is a safe seat for the Conservatives, who have held the seat for 70 years.

The seat was created in the Redistribution of Seats Act 1885 and in boundary changes in 1974 reflecting the growth in population and electorate of Leicestershire lost a large amount of its territory to the new seat of Blaby.

• List of parliamentary constituencies in Leicestershire and Rutland