The European Parliament election of 1999 took place on 13 June 1999. The Valdostan Union was by far the most voted party in Aosta Valley.
Results
| Party | votes | votes (%) |
|---|---|---|
| Valdostan Union–others | 27,811 | 45.9 |
| Forza Italia | 10,650 | 17.6 |
| Bonino List | 5,365 | 8.9 |
| Democrats of the Left | 4,516 | 7.5 |
| Segni Pact – National Alliance | 2,271 | 3.8 |
| The Democrats | 1,902 | 3.1 |
| Communist Refoundation Party | 1,670 | 2.8 |
| Federation of the Greens | 1,585 | 2.6 |
| Lega Nord | 1,178 | 2.0 |
| Italian People's Party | 751 | 1.2 |
| Party of Italian Communists | 656 | 1.1 |
| Others | 2,203 | 3.6 |
| Total | 60,558 | 100.0 |
Source: Ministry of the Interior
 Elections in Aosta Valley | |
|---|---|
| Regional elections | |
| General elections | |
| European Parliament elections | |