Elections to Bolton Metropolitan Borough Council were held on 6 May 1999. One third of the council was up for election and the Labour Party kept overall control of the council.
20 seats were contested in the election, with 11 being won by the Labour Party, 5 by the Liberal Democrats and 4 by the Conservatives.
After the election, the composition of the council was:
Prior to the election the composition of the council was:
After the election the composition of the council was:
<span style="color:#FDBB30;">LD â Liberal Democrats</span>