| Election Name: | 2017 Northamptonshire County Council election[1] |
| Country: | Northamptonshire |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Turnout: | 33.4% (2.5 pp)[2] |
| Previous Election: | 2013 Northamptonshire County Council election |
| Previous Year: | 2013 |
| Next Year: | WNC → NNC |
| Seats For Election: | All 57 seats to Northamptonshire County Council |
| Majority Seats: | 29 |
| Election Date: | 4 May 2017 |
| Party1: | Conservative Party (UK) |
| Seats Before1: | 36 |
| Seats1: | 43 |
| Seat Change1: | 7 |
| Popular Vote1: | 90,813 |
| Percentage1: | 51.1% |
| Party2: | Labour Party (UK) |
| Seats Before2: | 11 |
| Seats2: | 12 |
| Seat Change2: | 1 |
| Popular Vote2: | 49,512 |
| Percentage2: | 27.8% |
| Party3: | Liberal Democrats (UK) |
| Seats Before3: | 6 |
| Seats3: | 2 |
| Seat Change3: | 4 |
| Popular Vote3: | 21,777 |
| Percentage3: | 12.2% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
The 2017 Northamptonshire County Council election took place on 4 May 2017 as part of the 2017 local elections in the United Kingdom.[3] County councillors were elected from all 57 electoral divisions which returned one county councillor to Northamptonshire County Council by first-past-the-post voting for a four-year term of office. These elections were the last held for Northamptonshire County Council before its dissolution in 2021.
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