| Election Name: | 1999 East Northamptonshire District Council election[1] |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1995 East Northamptonshire District Council election |
| Previous Year: | 1995 |
| Next Election: | 2003 East Northamptonshire District Council election |
| Next Year: | 2003 |
| Seats For Election: | All 36 seats in the East Northamptonshire District Council |
| Majority Seats: | 19 |
| Election Date: | 6 May 1999 |
| Turnout: | 39.2% |
| Party1: | Conservative Party (UK) |
| Last Election1: | 9 seats, 37.6% |
| Seats1: | 20 |
| Seat Change1: | 11 |
| Popular Vote1: | 9,920 |
| Percentage1: | 51.8% |
| Swing1: | 14.2% |
| Party2: | Labour Party (UK) |
| Last Election2: | 25 seats, 46.4% |
| Seats2: | 15 |
| Seat Change2: | 10 |
| Popular Vote2: | 8,288 |
| Percentage2: | 43.3% |
| Swing2: | 3.1% |
| Party3: | Independent (politician) |
| Last Election3: | 0 seats, 8.8% |
| Seats3: | 1 |
| Seat Change3: | 1 |
| Popular Vote3: | 941 |
| Percentage3: | 4.9% |
| Swing3: | 3.9% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Labour |
| After Election: | Conservative |
The 1999 East Northamptonshire District Council election took place on 6 May 1999 to elect members of East Northamptonshire District Council in Northamptonshire, England. This was on the same day as other local elections. This was the first election to be held under new ward boundaries. The Conservative Party regained overall control of the council from the Labour Party, which it had lost at the previous election in 1995.[1]