Elections to Colchester Borough Council were held on 6 May 2021. They were originally planned for 7 May 2020, but postponed until 2021 due to the COVID-19 pandemic. Seventeen members of the council (one-third of the whole) were up for election, one from each of the 17 wards. There were also two additional by-elections in Prettygate and Lexden & Braiswick wards, bringing the total number of elected members to nineteen.
The Statement of Nominated Persons was released on 8 April 2021 detailing the persons standing as candidates at the Borough Council election.
Incumbent councillors are marked with an asterisk*
No Independent candidate as previous (-11.2).
No Independent (-28.6, -13.5) or UKIP (-7.3) candidates as previous.