| Election Name: | 1991 City of Lincoln Council election[1] [2] |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1990 City of Lincoln Council election |
| Previous Year: | 1990 |
| Next Election: | 1992 City of Lincoln Council election |
| Next Year: | 1992 |
| Seats For Election: | 11 of the 33 seats to City of Lincoln Council |
| Majority Seats: | 17 |
| Election Date: | 2 May 1991 |
| Party1: | Labour Party (UK) |
| Last Election1: | 28 |
| Seats1: | 10 |
| Seat Change1: | 3 |
| Seats After1: | 31 |
| Popular Vote1: | 16,710 |
| Percentage1: | 59.7% |
| Party2: | Conservative Party (UK) |
| Last Election2: | 5 |
| Seats2: | 1 |
| Seat Change2: | 3 |
| Seats After2: | 2 |
| Popular Vote2: | 9,864 |
| Percentage2: | 35.3% |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Labour |
| After Election: | Labour |
The 1991 City of Lincoln Council election took place on 2 May 1991. This was on the same day as other local elections. One third of the council was up for election: the seats of which were last contested in 1987. The Labour Party retained control of the council.
|-| colspan=2 style="text-align: right; margin-right: 1em" | Total| style="text-align: right;" | 11| colspan=5 || style="text-align: right;" | 27,978| style="text-align: right;" | All comparisons in vote share are to the corresponding 1987 election.