Cork County Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fine Gael |  | 20 | (+1) | 41742 | 35.4% | (-3.1%) | 28 | (-1) | 8 | |
| Fianna Fáil |  | 19 | (-5) | 43211 | 36.6% | (-10.2%) | 29 | (-3) | 8 | |
| Labour Party |  | 4 | (+2) | 7246 | 6.1% | (+1.5%) | 8 | 7 | ||
| Independent |  | 3 | (+1) | 11205 | 9.5% | (+4.2%) | 14 | (+8) | 6 | (+1) |
| Progressive Democrats |  | 1 | (+1) | 6463 | 5.5% | (+5.5%) | 10 | (+10) | 7 | (+7) |
| Workers' Party |  | 1 | 5097 | 4.3% | (+0.6%) | 8 | (+5) | 5 | (+2) | |
| Green Party |  | 0 | 2540 | 2.2% | (+2.1%) | 5 | (+2) | 5 | (+2) | |
| Sinn Féin |  | 0 | 438 | 0.4% | (-0.1%) | 2 | 1 | (-1) | ||