| Election Name: | 1990 Richmond upon Thames London Borough Council election |
| Country: | London |
| Type: | parliamentary |
| Previous Election: | 1986 Richmond upon Thames London Borough Council election |
| Previous Year: | 1986 |
| Next Election: | 1994 Richmond upon Thames London Borough Council election |
| Next Year: | 1994 |
| Seats For Election: | All 52 seats up for election to Richmond upon Thames London Borough Council |
| Majority Seats: | 27 |
| Registered: | 114,523[1] |
| Turnout: | 68,329, 59.66% |
| Leader1: | David Williams |
| Leader Since1: | 1983 |
| Leaders Seat1: | Ham and Petersham |
| Party1: | Liberal Democrats (UK) |
| Seats1: | 48 |
| Seat Change1: | 1 |
| Seats Before1: | 49 |
| Popular Vote1: | 87,327 |
| Percentage1: | 48.17% |
| Leader2: | Unknown |
| Leader Since2: | Unknown |
| Leaders Seat2: | Unknown |
| Party2: | Conservative Party (UK) |
| Seats2: | 4 |
| Seats Before2: | 3 |
| Seat Change2: | 1 |
| Popular Vote2: | 63,906 |
| Percentage2: | 35.25% |
| Leader3: | Unknown |
| Leader Since3: | Unknown |
| Leaders Seat3: | Unknown |
| Party3: | Labour Party (UK) |
| Seats3: | 0 |
| Seats Before3: | 0 |
| Popular Vote3: | 26,644 |
| Percentage3: | 14.70% |
| Council control | |
| Before Party: | Liberal Democrats (UK) |
| Posttitle: | Council control after election |
| After Party: | Liberal Democrats (UK) |
The 1990 Richmond upon Thames Borough Council election took place on 3 May 1990 to elect members of Richmond upon Thames London Borough Council in London, England. The whole council was up for election and the Liberal Democrats (successors of the SDP–Liberal Alliance) stayed in overall control of the council.
(*) - indicates an incumbent candidate