| Election Name: | 1999 Colchester Borough Council election |
| Country: | Essex |
| Type: | parliamentary |
| Previous Election: | 1998 Colchester Borough Council election |
| Previous Year: | 1998 |
| Next Election: | 2000 Colchester Borough Council election |
| Next Year: | 2000 |
| Seats For Election: | 20 out of 60 seats to Colchester Borough Council |
| Majority Seats: | 31 |
| Turnout: | 31.6% (0.9%) |
| Party1: | Liberal Democrats (UK) |
| Last Election1: | 27 seats, 34.7% |
| Seats1: | 9 |
| Seats After1: | 26 |
| Seat Change1: | 1 |
| Popular Vote1: | 12,314 |
| Percentage1: | 36.9% |
| Swing1: | 2.2% |
| Party2: | Conservative Party (UK) |
| Last Election2: | 14 seats, 33.5% |
| Seats2: | 6 |
| Seats After2: | 17 |
| Seat Change2: | 3 |
| Popular Vote2: | 10,848 |
| Percentage2: | 32.5% |
| Swing2: | 1.0% |
| Party4: | Labour Party (UK) |
| Last Election4: | 18 seats, 31.8% |
| Seats4: | 5 |
| Seats After4: | 16 |
| Seat Change4: | 2 |
| Popular Vote4: | 10,226 |
| Percentage4: | 30.6% |
| Swing4: | 1.2% |
| Party5: | Tiptree Residents Association |
| Last Election5: | 1 seat, 0.0% |
| Seats5: | 0 |
| Seats After5: | 1 |
| Popular Vote5: | 0 |
| Percentage5: | 0.0% |
| Swing5: | N/A |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | No overall control |
| After Election: | No overall control |
The 1999 Colchester Borough Council election took place on 6 May 1999 to elect members of Colchester Borough Council in Essex, England. One third of the council was up for election and the council stayed under no overall control.[1]
After the election, the composition of the council was: