| Election Name: | 2005 Northumberland County Council election[1] |
| Country: | Northumberland |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 2001 Northumberland County Council election |
| Previous Year: | 2001 |
| Next Election: | 2008 Northumberland County Council election |
| Next Year: | 2008 |
| Seats For Election: | All 67 seats to Northumberland County Council |
| Majority Seats: | 34 |
| Turnout: | 61.0% |
| Party1: | Labour Party (UK) |
| Last Election1: | 38 |
| Seats1: | 35 |
| Seat Change1: | 3 |
| Popular Vote1: | 51,324 |
| Percentage1: | 34.4% |
| Party2: | Liberal Democrats (UK) |
| Last Election2: | 9 |
| Seats2: | 14 |
| Seat Change2: | 5 |
| Popular Vote2: | 53,509 |
| Percentage2: | 35.9% |
| Party4: | Conservative Party (UK) |
| Last Election4: | 17 |
| Seats4: | 14 |
| Seat Change4: | 3 |
| Popular Vote4: | 36,081 |
| Percentage4: | 24.2% |
| Party5: | Independent (politician) |
| Last Election5: | 3 |
| Seats5: | 4 |
| Seat Change5: | 1 |
| Popular Vote5: | 7,607 |
| Percentage5: | 5.1% |
| Control of Council | |
| Before Party: | Labour Party |
| Posttitle: | Control of Council after election |
| After Party: | Labour Party |
Local elections to Northumberland County Council, a county council in the north east of England, were held on 5 May 2005, resulting in a council with Labour members forming a majority.