The Trentino-Alto Adige/Südtirol regional election of 1948 took place on 28 November 1948. It was the first election ever. Proportional representation was used.
Under provisions of the autonomy laws, the Provincial Council of Trento and the Provincial Council of Bolzano were established as sections of the Regional Council.
The Christian Democracy and the South Tyrolean People's Party won the election.
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| Christian Democracy | 130,604 | 36.7 | 17 | |
| South Tyrolean People's Party | 107,249 | 30.2 | 13 | |
| Trentino Tyrolean People's Party | 33,137 | 9.3 | 4 | |
| Italian Socialist Party | 22,512 | 6.3 | 3 | |
| Italian Communist Party | 16,815 | 4.7 | 2 | |
| 16,528 | 4.7 | 3 | ||
| Anti-Autonomist National League | 6,118 | 1.7 | 1 | |
| Union of Independents | 5,674 | 1.6 | 1 | |
| Italian Social Movement | 4,662 | 1.3 | 1 | |
| Tridentine Autonomy | 4,065 | 1.1 | – | |
| Independent Autonomists | 2,994 | 0.8 | 1 | |
| Italian Liberal Party | 2,628 | 0.7 | – | |
| Italian Republican Party | 1,772 | 0.5 | – | |
| Others | 804 | 0.2 | – | |
| align=left colspan=2 | Total | 355,562 | 100.0 | 46 |
| Source: Trentino-Alto Adige/Südtirol Region | ||||
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| Christian Democracy | 113,509 | 57.6 | 15 | |
| Trentino Tyrolean People's Party | 33,137 | 16.8 | 4 | |
| Italian Socialist Party | 14,587 | 7.4 | 2 | |
| 11,637 | 5.9 | 2 | ||
| Italian Communist Party | 10,534 | 5.4 | 1 | |
| Anti-Autonomist National League | 6,118 | 3.1 | 1 | |
| Independent Autonomists | 2,994 | 1.5 | 1 | |
| Italian Liberal Party | 2,628 | 1.3 | – | |
| Italian Republican Party | 1,772 | 0.9 | – | |
| Total | 196,916 | 100.0 | 26 | |
| Source: Trentino-Alto Adige/Südtirol Region | ||||
| Party | Votes | % | Seats | |
|---|---|---|---|---|
| South Tyrolean People's Party | 107,249 | 67.6 | 13 | |
| Christian Democracy | 17,095 | 10.8 | 2 | |
| Italian Socialist Party | 7,925 | 5.0 | 1 | |
| Italian Communist Party | 6,281 | 4.0 | 1 | |
| Union of Independents | 5,674 | 3.6 | 1 | |
| 4,891 | 3.1 | 1 | ||
| Italian Social Movement | 4,662 | 2.9 | 1 | |
| Tridentine Autonomy | 4,065 | 2.6 | – | |
| Others | 804 | 0.5 | – | |
| Total | 158,646 | 100.0 | 20 | |
| Source: Trentino-Alto Adige/Südtirol Region | ||||