| Election Name: | 1990 Tower Hamlets London Borough Council election |
| Country: | London |
| Type: | parliamentary |
| Previous Year: | 1986 |
| Previous Election: | 1986 Tower Hamlets London Borough Council election |
| Next Election: | 1994 Tower Hamlets London Borough Council election |
| Next Year: | 1994 |
| Registered: | 113,315[1] |
| Turnout: | 52,239, 46.10% |
| Party1: | Liberal Democratic Focus Team |
| Party2: | Labour Party (UK) |
| Seats For Election: | All 50 seats up for election to Tower Hamlets London Borough Council |
| Majority Seats: | 26 |
| Party3: | Conservative Party (UK) |
| Seats1: | 30 |
| Seats2: | 20 |
| Seats3: | 0 |
| Seat Change2: | 4 |
| Seat Change1: | 4 |
| Seats Before1: | 26 |
| Seats Before2: | 24 |
| Seats Before3: | 0 |
| Popular Vote1: | 57,859 |
| Percentage1: | 44.93% |
| Popular Vote2: | 59,171 |
| Percentage2: | 45.95% |
| Popular Vote3: | 6,826 |
| Percentage3: | 5.30% |
| Council control | |
| Before Party: | Liberal Democratic Focus Team |
| Posttitle: | Council control after election |
| After Party: | Liberal Democratic Focus Team |
| Leader1: | Brenda M. Collins |
| Leaders Seat1: | St Peter's |
| Leader2: | Unknown |
| Leader Since2: | Unknown |
| Leaders Seat2: | Unknown |
| Leader3: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Leader Since1: | 1988 |
Elections to Tower Hamlets London Borough Council were held on 3 May 1990. The whole council was up for election. Turnout was 42.9%.
(*) - Indicates an incumbent candidate
(†) - Indicates an incumbent candidate standing in a different ward