Boston City Council elections were held on November 5, 1985. Eleven seats (seven district representatives and four at-large members) were contested in the general election, as the incumbents in districts 4 and 5 were unopposed. Nine seats (the four at-large members, and districts 1, 2, 7, 8, and 9) had also been contested in the preliminary election held on September 10, 1985.