Offaly County Council: 1991 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fianna Fáil | 10 | (-2) | 10232 | 41.4% | (-8.5%) | 14 | (-2) | 4 | ||
| Fine Gael | 6 | 7699 | 31.1% | (-1.4%) | 11 | (-4) | 4 | |||
| Independent | 3 | 3221 | 13.0% | (+0.6%) | 9 | (+2) | 4 | (+1) | ||
| Labour Party | 1 | (+1) | 1686 | 6.8% | (+2.7%) | 5 | (-1) | 2 | ||
| Progressive Democrats | 1 | (+1) | 1015 | 4.1% | (+4.1%) | 2 | (+2) | 1 | (+1) | |
| Sinn Féin | 0 | 570 | 2.3% | (+1.2%) | 1 | 1 | ||||
| Green Party | 0 | 299 | 1.2% | (+1.2%) | 1 | (+1) | 1 | (+1) | ||