Elections to Peterborough City Council took place on 3 May 2018. This was on the same day as other local elections across the United Kingdom.
Following the 2016 election, two councillors from Gunthorpe ward left the Liberal Democrat group to sit as Independents.
|-bgcolor=#F6F6F6 | colspan=2 style="text-align: right; margin-right: 1em" | Total | style="text-align: right;" | 60 | colspan=5 | | style="text-align: right;" | 41,214 | style="text-align: right;" | |- |colspan="11" style="color:inherit;background:"| |- | style="color:inherit;background:"| | colspan="10"| Conservative gain from No overall control
No Liberal candidate as previous (-6.6).
No Independent candidate as previous (-20.5).
No Independent (-16.7) or TUSC (-4.9) candidates as previous.
No UKIP candidate as previous (-18.5).
No UKIP candidate as previous (-8.7).