| Election Name: | 1999 Donegal County Council election |
| Country: | Ireland |
| Type: | Parliamentary |
| Ongoing: | no |
| Party Colour: | yes |
| Previous Election: | 1991 Donegal County Council election |
| Previous Year: | 1991 |
| Next Election: | 2004 Donegal County Council election |
| Next Year: | 2004 |
| Seats For Election: | All 29 seats on Donegal County Council |
| Election Date: | 10 June 1999 |
| Party1: | Fianna Fáil |
| Seats1: | 14 |
| Seat Change1: | +3 |
| Party2: | Fine Gael |
| Seats2: | 8 |
| Seat Change2: | -1 |
| Party3: | Independent Fianna Fáil |
| Seats3: | 4 |
| Seat Change3: | 0 |
| Party4: | Labour Party (Ireland) |
| Seats4: | 1 |
| Seat Change4: | 0 |
| Party5: | Independent politician (Ireland) |
| Seats5: | 2 |
| Seat Change5: | 0 |
| Party6: | Sinn Féin |
| Seats6: | 0 |
| Seat Change6: | -1 |
| Party7: | Workers' Party (Ireland) |
| Seats7: | 0 |
| Seat Change7: | -1 |
| Map Size: | 300px |
| Council control | |
| Posttitle: | Council control after election |
| Before Election: | Fianna Fáil |
| After Election: | Fianna Fáil |
An election to Donegal County Council took place on 10 June 1999 as part of that year's Irish local elections. 29 councillors were elected from six local electoral areas on the system of proportional representation by means of the single transferable vote (PR-STV) for a five-year term of office.
| Party | valign=top | Seats | valign=top | ± | valign=top | First Pref. votes | valign=top | FPv% | valign=top | ±% |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 | +3 | 27,090 | 41.45 | |||||||
| 8 | align=right | -1 | 14,931 | 22.85 | ||||||
| 4 | 0 | 9,277 | 14.20 | |||||||
| 1 | 0 | 3,327 | 5.09 | |||||||
| 2 | 0 | 6,966 | 10.66 | |||||||
| 0 | align=right | -1 | 2,844 | 4.35 | ||||||
| 0 | align=right | -1 | 0 | 0.00 | N/A | |||||
| Totals | align=right | 29 | 0 | align=right | 65,353 | 100.00 | — |