| Election Name: | 1990 Lewisham London Borough Council election |
| Country: | London |
| Type: | parliamentary |
| Next Election: | 1994 Lewisham London Borough Council election |
| Next Year: | 1994 |
| Previous Year: | 1986 |
| Previous Election: | 1986 Lewisham London Borough Council election |
| Seats For Election: | All 67 seats up for election to Lewisham London Borough Council |
| Majority Seats: | 34 |
| Registered: | 176,519[1] |
| Turnout: | 79,780, 45.20% |
| Party1: | Labour Party (UK) |
| Seats1: | 58 |
| Seat Change1: | 8 |
| Seats Before1: | 50 |
| Popular Vote1: | 108,070 |
| Percentage1: | 57.62% |
| Leader1: | Steve Bullock |
| Leader Since1: | 1988 |
| Leaders Seat1: | Sydenham East |
| Party2: | Conservative Party (UK) |
| Seats2: | 6 |
| Seat Change2: | 11 |
| Seats Before2: | 17 |
| Popular Vote2: | 60,225 |
| Percentage2: | 32.11% |
| Leader2: | Unknown |
| Leaders Seat2: | Unknown |
| Leader Since2: | Unknown |
| Party3: | Liberal Democrats (UK) |
| Seats3: | 3 |
| Seat Change3: | 3 |
| Popular Vote3: | 12,138 |
| Percentage3: | 6.47% |
| Seats Before3: | 0 |
| Leader3: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Council control | |
| Before Party: | Labour Party (UK) |
| Posttitle: | Council control after election |
| After Party: | Labour Party (UK) |
Elections to Lewisham London Borough Council were held in May 1990. The whole council was up for election. Turnout was 39.6%.
(*) - Indicates an incumbent candidate
(†) - Indicates an incumbent candidate standing in a different ward