| Election Name: | 1990 Barnet London Borough Council election |
| Type: | Parliamentary |
| Previous Election: | 1986 Barnet London Borough Council election |
| Previous Year: | 1986 |
| Next Election: | 1994 Barnet London Borough Council election |
| Next Year: | 1994 |
| Seats For Election: | All 60 seats up for election to Barnet London Borough Council |
| Majority Seats: | 31 |
| Turnout: | 105,694, 50.00% |
| Party1: | Conservative Party (UK) |
| Seats1: | 39 |
| Percentage1: | 49.80% |
| Party2: | Labour Party (UK) |
| Seats2: | 18 |
| Percentage2: | 36.12% |
| Party3: | Liberal Democrats (UK) |
| Seats3: | 3 |
| Percentage3: | 10.86% |
| Map Size: | 340px |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
| Registered: | 211,403[1] |
| Popular Vote1: | 141,815 |
| Popular Vote2: | 102,847 |
| Popular Vote3: | 30,918 |
The 1990 Barnet Council election took place on 3 May 1990 to elect members of Barnet London Borough Council in London, England. The whole council was up for election and the Conservative party stayed in overall control of the council.
Overall turnout in the election was 50.0%.
(*) - indicates an incumbent candidate
(†) - Indicates an incumbent candidate standing in a different ward