The Sardinian regional election of 1957 took place on 16 June 1957.
Five more seats were added.
After the election Giuseppe Brotzu, the incumbent Christian Democratic President, was re-elected President by the Regional Council. However, as soon as in 1958 Efisio Corrias replaced him at the head of a new government that included the Sardinian Action Party, a social-liberal regionalist party.[1]
| Colspan=2 | Parties | votes | votes (%) | seats | |
|---|---|---|---|---|---|
| bgcolor=White | Christian Democracy | 278,304 | 41.7 | 31 | |
| bgcolor=Red | Italian Communist Party | 116,997 | 17.6 | 13 | |
| bgcolor=Hotpink | Italian Socialist Party | 63,524 | 9.5 | 6 | |
| bgcolor=Silver | People's Monarchist Party | 60,006 | 9.0 | 6 | |
| bgcolor=Green | Sardinian Action Party | 40,214 | 6.0 | 5 | |
| bgcolor=Navy | Monarchist National Party | 38,867 | 5.8 | 4 | |
| bgcolor=Black | Italian Social Movement | 33,628 | 5.0 | 3 | |
| bgcolor=Pink | Italian Democratic Socialist Party | 18,162 | 2.7 | 1 | |
| bgcolor=Blue | Italian Liberal Party | 18,129 | 2.7 | 1 | |
| Total | 667,831 | 100.0 | 70 | ||