The 1998 Sutton Council election took place on 7 May 1998 to elect members of Sutton London Borough Council in London, England. The whole council was up for election and the Liberal Democrats stayed in overall control of the council.
In the years between the 1994 election and this election there were a total of 7 by-elections to replace councillors who either resigned from their seat, died in office or who were disqualified shortly after the 1994 election, however these did not result in the seats changing parties. Aside from the by-elections there was also one seat that became vacant shortly before this election and there was not enough time to hold a separate by-election to fill it. This meant the composition of the council just before the election was as follows:
After the election the composition of the council was as follows:
(*) - Indicates an incumbent candidate
(â ) - Indicates an incumbent candidate standing in a different ward