| Election Name: | 1971 Barnet London Borough Council election |
| Type: | Parliamentary |
| Previous Election: | 1968 Barnet London Borough Council election |
| Previous Year: | 1968 |
| Next Election: | 1974 Barnet London Borough Council election |
| Next Year: | 1974 |
| Election Date: | 13 May 1971 |
| Seats For Election: | All 60 seats to Barnet London Borough Council |
| Majority Seats: | 31 |
| Turnout: | 36.8 |
| Party1: | Conservative Party (UK) |
| Seats1: | 43 |
| Seats Before1: | 56 |
| Percentage1: | 49.4% |
| Seat Change1: | 13 |
| Swing1: | 13.1% |
| Party2: | Labour Party (UK) |
| Seats2: | 17 |
| Seats Before2: | 3 |
| Percentage2: | 37.8% |
| Seat Change2: | 14 |
| Swing2: | 20.8% |
| Party3: | Liberal Party (UK) |
| Seats3: | 0 |
| Seats Before3: | 1 |
| Seat Change3: | 1 |
| Percentage3: | 11.6% |
| Swing3: | 8.7% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
The 1971 Barnet Council election took place on 13 May 1971 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. There were 43 Conservative councillors and 17 Labour, and also 5 aldermen, all Conservative.[1]
Overall turnout in the election was 36.8%.|}