Steven Tuckwell is a British politician who has served as the Member of Parliament (MP) for Uxbridge and South Ruislip in Greater London since the 2023 by-election, in which he succeeded Boris Johnson, the former Prime Minister of the United Kingdom. A member of the Conservative Party, he has also sat on Hillingdon Borough Council since 2018.

A by-election for the United Kingdom parliamentary constituency of Uxbridge and South Ruislip was held on 20 July 2023, following the resignation of former Prime Minister Boris Johnson as its member of Parliament (MP) on 12 June.