Labour Labour Elections to Stevenage Borough Council took place on 6 May 2021.

This was on the same day as other local elections across the United Kingdom.

One third of the council was up for election, plus a by-election in Roebuck ward; the seats which were last contested in 2016.

[1] The Labour Party retained control of the council, which it has held continuously since 1973, but with a reduced majority.