Colchester is a constituency in Essex represented in the House of Commons of the UK Parliament since 2015 by Will Quince, a Conservative. In June 2023 Quince announced that he would not be standing for re-election.

William James Quince is a British politician and former lawyer who served as Minister of State for Health and Secondary Care from September 2022 to November 2023. A member of the Conservative Party, he was first elected at the 2015 general election as the Member of Parliament (MP) for Colchester, defeating the incumbent Liberal Democrat MP Sir Bob Russell. From 2011 to 2016, Quince was a borough councillor in Colchester. On 9 June 2023, Quince announced he would not run as an MP at the next general election.