Leitrim County Council: 1979 Local Election
| Party | Seats | Votes | Share | Candidates | Constituencies | |||||
| Fine Gael |  | 10 | (-2) | 7514 | 45.4% | (-2.4%) | 14 | (+1) | 4 | |
| Fianna Fáil |  | 10 | (+2) | 6940 | 41.9% | (+5.5%) | 14 | (+1) | 4 | |
| Sinn Féin |  | 1 | 1069 | 6.5% | 3 | (+1) | 3 | (+1) | ||
| Independent |  | 1 | 1029 | 6.2% | (-1.5%) | 3 | (-2) | 3 | ||