| Election Name: | 1985 Sligo County Council election |
| Country: | Ireland |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1979 Sligo County Council election |
| Previous Year: | 1979 |
| Next Election: | 1991 Sligo County Council election |
| Next Year: | 1991 |
| Seats For Election: | All 25 seats on Sligo County Council |
| Election Date: | 20 June 1985 |
| Party1: | Fianna Fáil |
| Seats1: | 11 |
| Seat Change1: | +1 |
| Party2: | Fine Gael |
| Seats2: | 9 |
| Seat Change2: | -2 |
| Party3: | Sligo–Leitrim Independent Socialist Organisation |
| Seats3: | 1 |
| Seat Change3: | - |
| Party4: | Labour Party (Ireland) |
| Seats4: | 1 |
| Party5: | Independent politician (Ireland) |
| Seats5: | 3 |
| Seat Change5: | +1 |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
An election to Sligo County Council took place on 20 June 1985 as part of the Irish local elections. 25 councillors were elected from five local electoral areas (LEAs) for a five-year term of office on the electoral system of proportional representation by means of the single transferable vote (PR-STV). This term was extended for a further year, to 1991.[1]
| Party | valign=top | Seats | valign=top | ± | valign=top | First Pref. votes | valign=top | FPv% | valign=top | ±% |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 | +1 | 12,670 | 45.60 | |||||||
| 9 | align=right | -2 | 10,538 | 37.93 | ||||||
| 1 | align=right | - | 1,197 | 4.31 | ||||||
| 1 | align=right | - | 789 | 2.84 | ||||||
| 3 | +1 | 2,269 | 8.17 | |||||||
| Totals | align=right | 25 | align=center | - | align=right | 26,689 | 100.00 | — |