| Election Name: | 1991 Bath City Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1990 Bath City Council election |
| Previous Year: | 1990 |
| Next Election: | 1992 Bath City Council election |
| Next Year: | 1992 |
| Seats For Election: | 17 of 48 seats (one third plus one vacant seat) to Bath City Council |
| Majority Seats: | 24 |
| Image1: | Con |
| Party1: | Conservative Party (UK) |
| Seats Before1: | 24 |
| Seats1: | 9 |
| Seats After1: | 24 |
| Popular Vote1: | 13,069 |
| Percentage1: | 35.2% |
| Swing1: | 3.9% |
| Party2: | Liberal Democrats (UK) |
| Seats Before2: | 13 |
| Seats2: | 7 |
| Seats After2: | 13 |
| Popular Vote2: | 13,609 |
| Percentage2: | 36.7% |
| Swing2: | 7.6% |
| Image3: | Lab |
| Party3: | Labour Party (UK) |
| Seats Before3: | 11 |
| Seats3: | 1 |
| Seats After3: | 11 |
| Popular Vote3: | 8,963 |
| Percentage3: | 24.1% |
| Swing3: | 7.5% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | No overall control |
| After Election: | No overall control |
The 1991 Bath City Council election was held on Thursday 2 May 1991 to elect councillors to Bath City Council in England. It took place on the same day as other district council elections in the United Kingdom. One third of seats were up for election. Two seats were contested in Bathwick due to an extra vacancy occurring.
Sitting councillors seeking re-election, elected in 1987, are marked with an asterisk (*). The ward results listed below are based on the changes from the 1990 elections, not taking into account any party defections or by-elections.