The 1986 Barnet Council election took place on 8 May 1986 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 42.0%.
The by-election was called following the resignation of Cllr. Beverley G. Lane.
The by-election was called following the resignation of Cllr. Clement Halfon.
The by-election was called following the death of Cllr. Leah Hertz.
The by-election was called following the resignation of Cllr. Coral Sebag-Montefiore.
The by-election was called following the death of Cllr. Wilfred Lipman.