| Election Name: | 1986 Bath City Council election |
| Type: | parliamentary |
| Ongoing: | no |
| Previous Election: | 1984 Bath City Council election |
| Previous Year: | 1984 |
| Next Election: | 1987 Bath City Council election |
| Next Year: | 1987 |
| Seats For Election: | 16 of 48 seats (one third) to Bath City Council |
| Majority Seats: | 24 |
| Image1: | Con |
| Party1: | Conservative Party (UK) |
| Seats Before1: | 31 |
| Seats1: | 7 |
| Seats After1: | 26 |
| Seat Change1: | 5 |
| Popular Vote1: | 11,429 |
| Percentage1: | 36.0% |
| Swing1: | 6.5% |
| Party2: | Labour Party (UK) |
| Seats Before2: | 11 |
| Seats2: | 3 |
| Seats After2: | 12 |
| Seat Change2: | 1 |
| Popular Vote2: | 8,771 |
| Percentage2: | 27.7% |
| Swing2: | 2.7% |
| Image3: | All |
| Party3: | SDP–Liberal Alliance |
| Seats Before3: | 6 |
| Seats3: | 6 |
| Seats After3: | 10 |
| Seat Change3: | 4 |
| Popular Vote3: | 11,508 |
| Percentage3: | 36.3% |
| Swing3: | 9.1% |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Conservative |
| After Election: | Conservative |
The 1986 Bath City Council election was held on Thursday 8 May 1986 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.
Sitting councillors seeking re-election, elected in 1982, are marked with an asterisk (*). The ward results listed below are based on the changes from the 1984 elections, not taking into account any party defections or by-elections.