| Country: | London |
| Election Name: | 1990 Lambeth London Borough Council election |
| Type: | parliamentary |
| Previous Election: | 1986 Lambeth London Borough Council election |
| Previous Year: | 1986 |
| Next Election: | 1994 Lambeth London Borough Council election |
| Next Year: | 1994 |
| Seats For Election: | All 64 seats up for election to Lambeth London Borough Council |
| Majority Seats: | 33 |
| Registered: | 176,913[1] |
| Turnout: | 81,180, 45.89% |
| Party2: | Conservative Party (UK) |
| Party1: | Labour Party (UK) |
| Party3: | Liberal Democrats (UK) |
| Seats1: | 40 |
| Popular Vote1: | 105,258 |
| Percentage1: | 48.30% |
| Seats2: | 20 |
| Seat Change2: | 1 |
| Popular Vote2: | 77,854 |
| Percentage2: | 35.72% |
| Before Party: | Labour Party (UK) |
| Council Control | |
| Posttitle: | Council Control after election |
| After Party: | Labour Party (UK) |
| Seats3: | 4 |
| Seat Change3: | 1 |
| Popular Vote3: | 24,758 |
| Percentage3: | 11.36% |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Seats Before1: | 40 |
| Seats Before2: | 21 |
| Seats Before3: | 3 |
| Leader1: | Joan K. Twelves |
| Leader Since1: | 1989 |
| Leaders Seat1: | Larkhall |
| Leader2: | Unknown |
| Leader Since2: | Unknown |
| Leaders Seat2: | Unknown |
| Leader3: | Unknown |
Elections to Lambeth London Borough Council were held in May 1990. The whole council was up for election. Turnout was 42.3%.
(*) - Indicates an incumbent candidate
(†) - Indicates an incumbent candidate standing in different ward