| Election Name: | Bolton Council Election 2021 |
| Country: | United Kingdom |
| Type: | parliamentary |
| Party Colour: | Yes |
| Previous Election: | 2019 Bolton Metropolitan Borough Council election |
| Election Date: | 6 May 2021 |
| Previous Year: | 2019 |
| Party Name: | Yes |
| Next Year: | 2022 |
| Seats For Election: | 20 Seats up for Election |
| Next Election: | 2022 Bolton Metropolitan Borough Council election |
| Party1: | Conservative Party (UK) |
| Seats Before1: | 18 |
| Seats After1: | 20 |
| Seat Change1: | 2 |
| Popular Vote1: | 30,255 |
| Percentage1: | 38.8% |
| Party2: | Labour Party (UK) |
| Seats Before2: | 18 |
| Seats After2: | 19 |
| Seat Change2: | 1 |
| Popular Vote2: | 27,517 |
| Percentage2: | 35.3% |
| Party3: | Liberal Democrats (UK) |
| Seats Before3: | 7 |
| Seats After3: | 5 |
| Seat Change3: | 2 |
| Popular Vote3: | 7,562 |
| Percentage3: | 9.7% |
| Party4: | Farnworth and Kearsley First |
| Seats Before4: | 4 |
| Seats After4: | 5 |
| Seat Change4: | 1 |
| Popular Vote4: | 4,203 |
| Percentage4: | 5.4% |
| Party5: | Horwich and Blackrod First |
| Seats Before5: | 2 |
| Seats After5: | 3 |
| Seat Change5: | 1 |
| Popular Vote5: | 2,380 |
| Percentage5: | 3.0% |
| Party6: | UKIP |
| Seats Before6: | 2 |
| Seats After6: | 1 |
| Seat Change6: | 1 |
| Popular Vote6: | 585 |
| Percentage6: | 0.7% |
| Posttitle: | Leader of the Council |
| Before Party: | Conservative Party (UK) |
| Leader of the Council | |
| After Party: | Conservative Party (UK) |
The 2021 Bolton Metropolitan Borough Council election to elect members of Bolton Metropolitan Borough Council took place on 6 May 2021, on the same day as other local elections.[1] [2]
21 seats were contested, including a by election in Astley Bridge Ward, following the death of Cllr Paul Wild. The Conservative Party won 10 seats, the Labour Party won 7 seats, Farnworth and Kearsley First won 2 seats, Horwich and Blackrod First won 1 seat, and the Liberal Democrats won 1 seat.
After the election, the total composition of the council was as follows:
Prior to the election the composition of the council was:
| 18 | 17 | 6 | 2 | 15 | |
| Labour | Conservative | LD | U | IND |
After the election the composition of the council was:
| 20 | 19 | 5 | 1 | 15 | |
| Conservative | Labour | LD | U | IND |
Winning candidates are highlighted in bold.