| Election Name: | 2021 Runnymede Borough Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 2019 Runnymede Borough Council election |
| Previous Year: | 2019 |
| Next Election: | 2022 Runnymede Borough Council election |
| Next Year: | 2022 |
| Seats For Election: | 13 of the 41 seats in the Runnymede Borough Council |
| Majority Seats: | 21 |
| Turnout: | 33.6% (2.6 pp) |
| Registered: | 59,426 |
| Party1: | Conservative Party (UK) |
| Image1: | Con |
| Leader1: | Nick Prescot |
| Leader Since1: | 2017 |
| Leaders Seat1: | Englefield Green West |
| Last Election1: | 26 |
| Seats Before1: | 25 |
| Seats1: | 9 |
| Seats After1: | 26 |
| Seat Change1: | 1 |
| Popular Vote1: | 8,893 |
| Percentage1: | 44.5% |
| Party2: | Residents Association |
| Leader2: | Linda Gillham |
| Leader Since2: | 2018 |
| Leaders Seat2: | Thorpe |
| Last Election2: | 6 |
| Seats Before2: | 6 |
| Seats2: | 2 |
| Seats After2: | 6 |
| Popular Vote2: | 1,809 |
| Percentage2: | 9.1% |
| Party3: | Liberal Democrats (UK) |
| Image3: | LD |
| Leader3: | Don Whyte |
| Leader Since3: | 2019 |
| Leaders Seat3: | Longcross, Lyne and Chertsey South |
| Last Election3: | 3 |
| Seats Before3: | 3 |
| Seats3: | 1 |
| Seats After3: | 3 |
| Popular Vote3: | 2,759 |
| Percentage3: | 13.8% |
| Party4: | Labour and Co-operative |
| Image4: | Lab |
| Leader4: | Robert King |
| Leader Since4: | 2021 |
| Leaders Seat4: | Egham Hythe |
| Last Election4: | 2 |
| Seats Before4: | 2 |
| Seats4: | 0 |
| Seats After4: | 1 |
| Seat Change4: | 1 |
| Popular Vote4: | 3,331 |
| Percentage4: | 16.7% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
The 2021 Runnymede Borough Council election was held on 6 May 2021 to elect members of Runnymede Borough Council in England.[1] This was on the same day as other local elections, and was the second election on new electoral boundaries, following the 2019 Runnymede Borough Council election.[2] The elections were postponed from May 2020 due to the COVID-19 pandemic[3] Englefield Green East was not contested.
The Conservatives retained control of the council, increasing their total number of seats by one. Following the election, the party held 26 of the 41 seats on the council, compared with 6 for the Runnymede Independent Residents Group, 5 Independents, 3 Liberal Democrats and 1 seat for the Labour Party.[4]
The political changeover of seats is as follows: Conservative candidate Alex Balkan gained Egham Hythe Ward from the Labour Party, Conservative candidate Bob Bromley gained Addlestone North from the Green Party, independent candidate Carl Mann gained Ottershaw from the Conservative Party.
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