| Election Name: | 1986 Brighton Borough Council election |
| Country: | East Sussex |
| Type: | parliamentary |
| Previous Election: | 1984 Brighton Borough Council election |
| Previous Year: | 1984 |
| Next Election: | 1987 Brighton Borough Council election |
| Next Year: | 1987 |
| Seats For Election: | 16 out of 48 seats to Brighton Borough Council |
| Majority Seats: | 25 |
| Party1: | Labour Party (UK) |
| Last Election1: | 21 seats, 39.2% |
| Seats1: | 9 |
| Seats After1: | 23 |
| Seat Change1: | 2 |
| Popular Vote1: | 22,769 |
| Percentage1: | 40.5% |
| Swing1: | 1.3% |
| Party2: | Conservative Party (UK) |
| Last Election2: | 23 seats, 42.3% |
| Seats2: | 6 |
| Seats After2: | 21 |
| Seat Change2: | 2 |
| Popular Vote2: | 22,027 |
| Percentage2: | 39.1% |
| Swing2: | 3.2% |
| Party3: | SDP-Liberal Alliance |
| Last Election3: | 4 seats, 17.8% |
| Seats3: | 1 |
| Seats After3: | 4 |
| Popular Vote3: | 11,167 |
| Percentage3: | 19.8% |
| Swing3: | 2.0% |
| Council control | |
| Posttitle: | Council control after election |
| Before Party: | No overall control |
| After Party: | No overall control |
The 1986 Brighton Borough Council election took place on 8 May 1986 to elect members of Brighton Borough Council in East Sussex, England.[1] This was on the same day as other local elections.