| Election Name: | 1998 Valdostan regional election |
| Country: | Aosta Valley |
| Previous Election: | 1993 |
| Next Election: | 2003 |
| Election Date: | 31 May 1998 |
| Seats For Election: | All 35 seats to the Regional Council of Aosta Valley |
| Majority Seats: | 18 |
| Turnout: | 81.9% |
| Ongoing: | no |
| Noleader: | yes |
| Party1: | UV |
| Percentage1: | 42.6% |
| Seats1: | 17 |
| Last Election1: | 13 |
| Party2: | Autonomists |
| Percentage2: | 12.8% |
| Seats2: | 5 |
| Last Election2: | 5 |
| Party3: | FA |
| Colour3: |
|
| Percentage3: | 9.7% |
| Seats3: | 4 |
| Last Election3: | new |
| Party4: | DS |
| Percentage4: | 8.3% |
| Seats4: | 3 |
| Last Election4: | 3 |
| Percentage5: | 6.8% |
| Seats5: | 3 |
| Last Election5: | 2 |
| Party6: | FI |
| Percentage6: | 6.5% |
| Seats6: | 3 |
| Last Election6: | new |
| President | |
| Before Election: | Dino Viérin |
| Before Party: | UV |
| After Election: | Dino Viérin |
| After Party: | UV |
The Valdostan regional election of 1998 took place on 31 May 1998.
| Party | votes | votes (%) | seats | |
|---|---|---|---|---|
| Valdostan Union | 33,311 | 42.6 | 17 | |
| Autonomists | 10,044 | 12.8 | 5 | |
| Autonomist Federation | 7,561 | 9.7 | 4 | |
| Democrats of the Left | 6,455 | 8.3 | 3 | |
| For Aosta Valley with The Olive Tree (incl. Greens) | 5,323 | 6.8 | 3 | |
| Forza Italia | 5,088 | 6.5 | 3 | |
| Communist Refoundation Party | 3,760 | 4.8 | align=right | - |
| Northern League Aosta Valley | 2,653 | 3.4 | align=right | - |
| National Alliance | 2,237 | 2.9 | align=right | - |
| others | 1,822 | 2.3 | align=right | - |
| Total | 78,254 | 100.0 | 35 |