The 1990 Stevenage Borough Council election took place on 3 May 1990. This was on the same day as other local elections. One third of the council was up for election; the seats which were last contested in 1986. The Labour Party retained control of the council, which it had held continuously since its creation in 1973.
|-bgcolor=#F6F6F6 | colspan=2 style="text-align: right; margin-right: 1em" | Total | style="text-align: right;" | 13 | colspan=5 | | style="text-align: right;" | 25,980 | style="text-align: right;" | |- |colspan="11" style="color:inherit;background:"| |- | style="color:inherit;background:"| | colspan="10"| Labour hold
All comparisons in seats and vote share are to the corresponding 1986 election.