| Election Name: | 2021 Wigan Metropolitan Borough Council election |
| Flag Image: | Coat of arms of Wigan Metropolitan Borough Council.png |
| Type: | parliamentary |
| Previous Election: | 2019_Wigan_Metropolitan_Borough_Council_election |
| Previous Year: | 2019 |
| Next Election: | 2022_Wigan_Metropolitan_Borough_Council_election |
| Next Year: | 2022 |
| Seats For Election: | 26 of 75 seats to Wigan Metropolitan Borough Council |
| Election Date: | 6 May 2021 |
| Majority Seats: | 38 |
| Image1: | File:David Molyneux.jpg |
| Leader1: | [1] |
| Leader Since1: | [2] |
| Party1: | Labour Party (UK) |
| Seats Before1: | 57[3] |
| Seats After1: | 57 |
| Leader2: | [4] |
| Party2: | Conservative Party (UK) |
| Seats Before2: | 8[5] |
| Seats After2: | 8 |
The 2021 Wigan Metropolitan Borough Council election took place on 6 May 2021 to elect members of Wigan Metropolitan Borough Council in England. This election was held on the same day as other local elections. The election was originally due to take place on 7 May 2020,[6] but was postponed due to the COVID-19 pandemic.[7] A by-election was held on the same day in Orrell ward to fill the seat left vacant by the death of Conservative councillor Richard Clayton.[8]
Prior to the election, the composition of the council was:[9]
57
7
10
After the election, the composition of the council was:[10]
57
8
10
| Labour Party | 26 |
| Conservative Party | 26 |
| Liberal Democrats | 23 |
| Independents | 13 |
| Leigh, Atherton & Tyldesley Together | 6 |
| UKIP | 1 |
| Reform UK | 1 |
| Standish Independents | 1 |
In the percentage change column, the candidate with the most votes from each party is compared with the 2016 Orrell ward result, whilst the candidate with the least votes from each party is compared with the 2018 Orrell ward result.
The "Standish Independents" description was used at the last election by the Wigan Independents, a separate political party.