The 1998 Barnet Council election took place on 7 May 1998 to elect members of Barnet London Borough Council in London, England. The whole council was up for election and the council stayed under no overall control.
Following the elections, the Labour-Liberal Democrat coalition that had governed since 1994 continued in office.
In between the two elections there had been a total of four by-elections to replace councillors who had either died or resigned from their seat, however none of these by-elections resulted in the seat changing parties. Just before the election there were a total of 3 vacancies that were too close to have a separate by-election, which meant that the council composition was as follows:
Overall turnout in the election was 35.9%.
After this election, the composition of the council was as follows:
(*) - Indicates an incumbent candidate
(â ) - Indicates an incumbent candidate standing in a different ward