| Election Name: | 2004 Longford County Council election |
| Country: | Ireland |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1999 Longford County Council election |
| Previous Year: | 1999 |
| Next Election: | 2009 Longford County Council election |
| Next Year: | 2009 |
| Seats For Election: | All 21 seats on Longford County Council |
| Election Date: | 11 June 2004 |
| Party1: | Fine Gael |
| Seats1: | 11 |
| Seat Change1: | +1 |
| Party2: | Fianna Fáil |
| Seats2: | 8 |
| Seat Change2: | - |
| Party3: | Independent (politician) |
| Seats3: | 2 |
| Seat Change3: | +1 |
| Party4: | Progressive Democrats |
| Seats4: | 0 |
| Seat Change4: | -1 |
| Party5: | Republican Sinn Féin |
| Seats5: | 0 |
| Seat Change5: | -1 |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
| After Election: | Fine Gael |
An election to Longford County Council took place on 11 June 2004 as part of that year's Irish local elections. 21 councillors were elected from four 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).
| Party | valign=top | Seats | valign=top | ± | valign=top | First Pref. votes | valign=top | FPv% | valign=top | ±% |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 | +1 | 7,597 | 38.92 | |||||||
| 8 | align=right | - | 6,887 | 35.29 | ||||||
| 2 | +1 | 2,083 | 10.67 | |||||||
| 0 | align=right | -1 | 721 | 3.70 | ||||||
| 0 | align=right | -1 | 441 | 2.26 | ||||||
| Totals | align=right | 21 | align=center | - | align=right | 19,518 | 100.00 | — |