Sarah Jane Olney (née McGibbon, 11 January 1977) is a British Liberal Democrat politician who has served as the Member of Parliament (MP) for Richmond Park since 2019, previously holding the seat from 2016 to 2017.^[1][2][3][4] Olney has served as the Liberal Democrat Spokesperson for Treasury since July 2022 and for Business and Industrial Strategy since January 2020.

She was the constituency's MP for six months, from a by-election in December 2016 to the general election in June 2017, before she regained the seat at the 2019 general election, facing off against Zac Goldsmith in both elections. She was the Liberal Democrat Spokesperson for International Trade from January to September 2020 and for Education from May to June 2017.

Whilst out of Parliament, she was a financial accountant for Historic Royal Palaces, from 2018 to 2019.^[4]

Sarah McGibbon was born in Frimley, Surrey on 11 January 1977 to Ian and Rosalyn McGibbon.^[5][6] She was educated at All Hallows Catholic School in Farnham and then studied English Literature and Language at King's College London.^[7][8] She initially worked as a bookseller in Hatchards, Piccadilly, from 1998 to 2000.^[4]

Olney became a qualified accountant at the Association of Chartered Certified Accountants in 2016.^[9][4] She worked as an accountant at Barclays, Arts & Business, Distilled Ltd, SCi Sales Group and the National Physical Laboratory in Teddington until she entered politics after the 2015 general election.^[10][11]

Olney joined the Liberal Democrats in July 2015, in the realisation that she was a liberal dissatisfied with the direction of the United Kingdom.^[11][12]

On 25 October 2016, Conservative MP Zac Goldsmith announced his resignation from the House of Commons over his objection to his party's support for a third runway at Heathrow Airport, triggering a by-election in his seat of Richmond Park.^[13] Goldsmith stood in the by-election as an independent candidate. On 30 October 2016, Olney was announced as the Liberal Democrats' candidate for the by-election.^[14][15]

At the by-election, Olney was elected as the Member of Parliament (MP) for Richmond Park, with 49.6% of the vote and a majority of 1,872.^{[16][12][17][18][19]}

After her election to Parliament, Olney reaffirmed her opposition to the building of a third runway at Heathrow Airport.^[20]

Shortly after her election, Olney ended a radio interview in which she was pressed on her support for a second Brexit referendum.^[21] Supporting a second referendum subsequently became official Liberal Democrat policy shortly.^[22]

Olney voted against the triggering of Article 50, as she had indicated during the by-election campaign that she would do so.^[23] She believed that another referendum should have been held once the exact terms of Britain's exit from the EU had been announced.^[24]

In the run-up to the snap 2017 general election, Olney was recorded urging Liberal Democrats to vote for Labour MPs in seats where Labour candidates stood a better chance of defeating Conservatives, rather than Liberal Democrat candidates.^[25] Olney referred to the Liberal Democrat candidate for Ealing Central and Acton as a "paper candidate" and voiced her support for the incumbent Labour Party MP Rupa Huq.

At the snap 2017 general election, Olney lost her seat in Richmond Park, coming second with 45.1% of the vote behind Zac Goldsmith, who stood as the Conservative candidate.^[26][27]

On 9 September 2017, it was announced that she would be taking up the post of chief of staff for Liberal Democrat leader Sir Vince Cable.^[28]

It was reported by the Evening Standard in April 2018 that Olney had been interviewed under caution by the police for allegedly breaking official spending limits in the Richmond Park by-election. The Crown Prosecution Service ruled that there was no evidence, and closed the case.^[29]

In 2019, she was officially confirmed as the Liberal Democrat candidate for Richmond Park at the next general election.^[30] At the 2019 general election, Olney was elected as MP for Richmond Park with 53.1% of the vote and a majority of 7,766.^[31][32][33]

In May 2021, alongside celebrities and other public figures, Olney was a signatory to an open letter from Stylist magazine which called on the government to address what it described as an "epidemic of male violence" by funding an "ongoing, high-profile, expert-informed awareness campaign on men's violence against women and girls".^[34]

In 2002, she married Benjamin (Ben) James Olney, a town planner.^[14] The couple have a son and a daughter. They have also had another son, who is deceased.^[4]