| Election Name: | 1990 Sutton London Borough Council election |
| Country: | London |
| Next Election: | 1994 Sutton London Borough Council election |
| Next Year: | 1994 |
| Previous Year: | 1986 |
| Previous Election: | 1986 Sutton London Borough Council election |
| Turnout: | 69,572, 55.45% |
| Registered: | 125,474[1] |
| Type: | parliamentary |
| Seats For Election: | All 56 seats up for election to Sutton London Borough Council |
| Majority Seats: | 29 |
| Party1: | Liberal Democrats (UK) |
| Party2: | Conservative Party (UK) |
| Party3: | Labour Party (UK) |
| Council control | |
| Before Party: | Liberal Democrats (UK) |
| After Party: | Liberal Democrats (UK) |
| Posttitle: | Council control after election |
| Seats1: | 31 |
| Popular Vote1: | 65,303 |
| Percentage1: | 42.05% |
| Seat Change1: | 2 |
| Seats2: | 18 |
| Seat Change2: | 3 |
| Popular Vote2: | 58,723 |
| Seats3: | 7 |
| Seat Change3: | 1 |
| Popular Vote3: | 27,402 |
| Percentage2: | 37.81% |
| Percentage3: | 17.65% |
| Leader1: | Graham Tope |
| Leader2: | Unknown |
| Leader3: | Unknown |
| Leader Since1: | 1986 |
| Leaders Seat1: | Sutton Central |
| Leader Since2: | Unknown |
| Leaders Seat2: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Seats Before1: | 29 |
| Seats Before2: | 21 |
| Seats Before3: | 6 |
The 1990 Sutton Council election took place on 3 May 1990 to elect members of Sutton London Borough Council in London, England. The whole council was up for election and the Liberal Democrats kept overall control of the council.
(*) - Indicates an incumbent candidate