The Italian regional elections of 1959 were regional elections held in Aosta Valley and Sicily on 17 May and 7 June. This was the third regional election in Aosta Valley and the fourth in Sicily.
| Parties | votes | votes (%) | seats |
|---|---|---|---|
| UV–PCI–PSI–PSDI dissidents | 30,214 | 51.4 | 25 |
| DC–PLI–PSDI | 28,539 | 48.6 | 10 |
| Total | 58,753 | 100.0 | 35 |
Sources: Regional Council of Aosta Valley and Istituto Cattaneo
| Parties | votes | votes (%) | seats |
|---|---|---|---|
| Christian Democracy | 937,734 | 38.6 | 33 |
| Italian Communist Party | 518,611 | 21.3 | 20 |
| Social Christian Sicilian Union | 257,023 | 10.6 | 9 |
| Italian Socialist Party | 237,708 | 9.8 | 12 |
| Italian Social Movement | 183,788 | 7.6 | 8 |
| Italian Democratic Party | 115,296 | 4.7 | 3 |
| Italian Liberal Party | 90,890 | 3.7 | 2 |
| Italian Democratic Socialist Party | 52,583 | 2.2 | 2 |
| Others | 35,587 | 1.5 | - |
| Total | 2,426,220 | 100.0 | 90 |
Sources: Istituto Cattaneo and Sicilian Regional Assembly
