| Election Name: | 2005 Abruzzo regional election |
| Country: | Abruzzo |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2000 Abruzzo regional election |
| Previous Year: | 2000 |
| Next Election: | 2008 Abruzzo regional election |
| Next Year: | 2008 |
| Seats For Election: | All 40 seats to the Regional Council of Abruzzo |
| Election Date: | 3–4 April 2005 |
| Leader1: | Ottaviano Del Turco |
| Party1: | Italian Democratic Socialists |
| Color1: | EF3E3E |
| Alliance1: | The Union |
| Seats1: | 27 |
| Seat Change1: | 10 |
| Popular Vote1: | 446,407 |
| Percentage1: | 58.2% |
| Swing1: | 9.4% |
| Leader2: | Giovanni Pace |
| Party2: | National Alliance (Italy) |
| Color2: | 0A6BE1 |
| Alliance2: | House of Freedoms |
| Seats2: | 13 |
| Seat Change2: | 13 |
| Popular Vote2: | 311,547 |
| Percentage2: | 40.7% |
| Swing2: | 8.8% |
| President | |
| Posttitle: | President-elect |
| Before Election: | Giovanni Pace |
| Before Party: | National Alliance (Italy) |
| After Election: | Ottaviano Del Turco |
| After Party: | Italian Democratic Socialists |
The Abruzzo regional election of 2005 took place on 3–4 April 2005.
Ottaviano Del Turco (Italian Democratic Socialists, then Democratic Party) defeated incumbent Giovanni Pace (National Alliance) by a landslide.
| Candidates & parties | votes | votes (%) | seats reg. list | seats prov. lists | |
|---|---|---|---|---|---|
| Ottaviano Del Turco | 446,407 | 58.24 | 8 | 19 | |
| Democrats of the Left | 136,430 | 18.60 | → | 6 | |
| Democracy is Freedom – The Daisy | 122,764 | 16.73 | → | 6 | |
| Italian Democratic Socialists | 38,221 | 5.21 | → | 2 | |
| Communist Refoundation Party | 36,008 | 4.91 | → | 1 | |
| UDEUR | 34,735 | 4.73 | → | 1 | |
| Party of Italian Communists | 21,641 | 2.95 | → | 1 | |
| Italy of Values | 17,982 | 2.45 | → | 1 | |
| Federation of the Greens | 14,728 | 2.01 | → | 1 | |
| Italian Democratic Socialist Party | 2,346 | 0.32 | → | 0 | |
| Giovanni Pace | 311,547 | 40.65 | 1 | 12 | |
| Forza Italia | 117,287 | 15.99 | → | 5 | |
| National Alliance | 82,068 | 11.19 | → | 3 | |
| Union of Christian and Centre Democrats | 61,761 | 8.42 | → | 3 | |
| Christian Democracy | 20,462 | 2.79 | → | 1 | |
| Moderates and Reformists | 8,509 | 1.16 | → | 0 | |
| New PSI–PRI–PLI | 7,035 | 0.96 | → | 0 | |
| Social Idea Movement | 5,213 | 0.71 | → | 0 | |
| Fabrizio Bosio | 8,517 | 1.11 | - | - | |
| Social Alternative | 6,468 | 0.88 | → | 0 | |
| Total | 766,471 | 100.00 | 9 | 31 |