| Election Name: | 1990 Islington London Borough Council election |
| Type: | parliamentary |
| Previous Year: | 1986 |
| Previous Election: | 1986 Islington London Borough Council election |
| Next Election: | 1994 Islington London Borough Council election |
| Next Year: | 1994 |
| Seats For Election: | All 52 seats up for election to Islington London Borough Council |
| Majority Seats: | 27 |
| Turnout: | 51,827, 46.24% |
| Registered: | 112,085[1] |
| Ongoing: | no |
| Party1: | Labour Party (UK) |
| Party2: | Liberal Democrats (UK) |
| Party3: | Independent Liberal |
| Party4: | Conservative Party (UK) |
| Party5: | Green Party of England and Wales |
| Party6: | Tenants and Residents |
| Seats Before1: | 36 |
| Seats After1: | 49 |
| Popular Vote1: | 70,112 |
| Percentage1: | 55.39% |
| Seats Before2: | 15 |
| Seat Change1: | 13 |
| Seats After2: | 3 |
| Popular Vote2: | 9,630 |
| Seat Change2: | 12 |
| Percentage2: | 7.61% |
| Seats Before3: | 1 |
| Seats After3: | 0 |
| Seat Change3: | 1 |
| Popular Vote3: | 948 |
| Percentage3: | 0.70% |
| Seats Before4: | 0 |
| Seats After4: | 0 |
| Popular Vote4: | 21,991 |
| Percentage4: | 17.37% |
| Seats Before5: | 0 |
| Seats After5: | 0 |
| Popular Vote5: | 8,610 |
| Percentage5: | 6.80% |
| Seats Before6: | 0 |
| Seats After6: | 0 |
| Popular Vote6: | 7,912 |
| Percentage6: | 6.25% |
| Seats Before8: | 0 |
| Seats After8: | 0 |
| Popular Vote8: | 7,186 |
| Percentage8: | 5.68% |
| Council control | |
| Before Party: | Labour Party (UK) |
| Posttitle: | Council control after election |
| After Party: | Labour Party (UK) |
| Country: | London |
The 1990 Islington Council election took place on 3 May 1990 to elect members of Islington Borough Council in London, England. The whole council was up for election and the Labour Party stayed in overall control of the council.