| Election Name: | 2021 Northumberland County Council election[1] |
| Country: | Northumberland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 2017 Northumberland County Council election |
| Previous Year: | 2017 |
| Next Election: | 2025 Northumberland County Council election |
| Next Year: | 2025 |
| Seats For Election: | All 67 seats to Northumberland County Council |
| Majority Seats: | 34 |
| Party1: | Conservative Party (UK) |
| Last Election1: | 33 |
| Seats1: | 34 |
| Seat Change1: | 1 |
| Party2: | Labour Party (UK) |
| Last Election2: | 24 |
| Seats2: | 21 |
| Seat Change2: | 3 |
| Party4: | Independent (politician) |
| Last Election4: | 7 |
| Seats4: | 7 |
| Party5: | Liberal Democrats (UK) |
| Last Election5: | 3 |
| Seats5: | 3 |
| Party6: | Green Party of England and Wales |
| Last Election6: | 0 |
| Seats6: | 2 |
| Seat Change6: | 2 |
| Control of Council | |
| Before Party: | No overall control |
| Posttitle: | Control of Council after election |
| After Party: | Conservative |
An election for the Northumberland County Council took place on 6 May 2021 as part of the 2021 local elections in the United Kingdom.[2] All 67 councillors were elected from 66 electoral divisions which returned either one or two county councillors each by first-past-the-post voting for a four-year term of office.
The results saw the Conservative Party win 34 seats, a bare majority.[3]
Following the previous election in 2017, the composition of the council was:
| 33 | 24 | 7 | 3 | |
| Conservative | Labour | Ind | LD |
After the election, the composition of the council was:
| 34 | 21 | 7 | 3 | 2 | |
| Conservative | Labour | Ind | LD | G |