| Election Name: | 2003 Valdostan regional election |
| Country: | Aosta Valley |
| Previous Election: | 1998 |
| Next Election: | 2008 |
| Election Date: | 8 June 2003 |
| Seats For Election: | All 35 seats to the Regional Council of Aosta Valley |
| Majority Seats: | 18 |
| Turnout: | 77.17% |
| Ongoing: | no |
| Noleader: | yes |
| Party1: | UV |
| Percentage1: | 47.2% |
| Seats1: | 18 |
| Last Election1: | 17 |
| Party2: | SA |
| Percentage2: | 19.8% |
| Seats2: | 7 |
| Last Election2: | 5 |
| Party3: | DS |
| Percentage3: | 9.7% |
| Seats3: | 4 |
| Last Election3: | 3 |
| Party4: | CdL |
| Percentage4: | 9.4% |
| Seats4: | 3 |
| Last Election4: | 3 |
| Colour5: |
|
| Percentage5: | 7.9% |
| Seats5: | 3 |
| Last Election5: | new |
| President | |
| Before Election: | Roberto Louvin |
| Before Party: | UV |
| After Election: | Carlo Perrin |
| After Party: | UV |
The Valdostan regional election of 2003 took place on 8 June 2003. The election was characterized by a strong showing of the centrist Valdostan Union, which gained more than 47% of votes.
| Parties | Votes | % | Seats | ||
|---|---|---|---|---|---|
| Valdostan Union | 35,297 | 47.23 | 18 | ||
| Edelweiss | 14,817 | 19.83 | 7 | ||
| Democrats of the Left | 7,248 | 9.70 | 4 | ||
| House of Freedoms (incl. FI, AN, LN) | 7,041 | 9.42 | 3 | ||
| Rainbow Aosta Valley (incl. VAVdA, PRC, IdV,,) | 5,897 | 7.89 | 3 | ||
| Alé Vallée | 3,539 | 4.74 | – | ||
| Valdostan Right | 346 | 0.46 | – | ||
| Walser Union | 277 | 0.37 | – | ||
| Together | 265 | 0.35 | – | ||
| Total | 74,727 | 100.0 | 35 | ||
| Source: Aosta Valley Region – Results | |||||