| Election Name: | 1983 Colchester Borough Council election |
| Country: | Essex |
| Type: | parliamentary |
| Previous Election: | 1982 Colchester Borough Council election |
| Previous Year: | 1982 |
| Next Election: | 1984 Colchester Borough Council election |
| Next Year: | 1984 |
| Seats For Election: | 20 out of 60 seats to Colchester Borough Council |
| Majority Seats: | 31 |
| Turnout: | 44.9% (1.9%) |
| Party1: | Conservative Party (UK) |
| Last Election1: | 35 seats, 45.0% |
| Seats1: | 13 |
| Seats After1: | 35 |
| Popular Vote1: | 18,499 |
| Percentage1: | 45.9% |
| Swing1: | 0.9% |
| Party2: | Labour Party (UK) |
| Last Election2: | 16 seats, 24.6% |
| Seats2: | 3 |
| Seats After2: | 16 |
| Seat Change2: | 3 |
| Popular Vote2: | 10,381 |
| Percentage2: | 25.8% |
| Swing2: | 1.2% |
| Party3: | SDP-Liberal Alliance |
| Last Election3: | 2 seats, 25.1% |
| Seats3: | 3 |
| Seats After3: | 5 |
| Seat Change3: | 3 |
| Popular Vote3: | 10,249 |
| Percentage3: | 25.4% |
| Swing3: | 0.3% |
| Party4: | Tiptree Residents Association |
| Last Election4: | 3 seats, 2.8% |
| Seats4: | 1 |
| Seats After4: | 3 |
| Popular Vote4: | 1,170 |
| Percentage4: | 2.9% |
| Swing4: | 0.1% |
| Party5: | Independent politician |
| Last Election5: | 1 seat, 2.5% |
| Seats5: | 0 |
| Seats After5: | 1 |
| Popular Vote5: | 0 |
| Percentage5: | 0.0% |
| Swing5: | 2.5% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
Elections to Colchester Borough Council took place in May 1983. They were held on the same day as other local elections across the United Kingdom.
No Independent candidate as previous (-20.4%).