The 1975 Italian local elections were held on 15 and 16 June. The elections were held in 6,345 municipalities and 86 provinces.
Municipal elections
| Party | votes | votes (%) | seats | |
|---|---|---|---|---|
| Christian Democracy (DC) | 2,855,759 | 32.0 | 1,433 | |
| Italian Communist Party (PCI) | 2,753,650 | 30.9 | 1,110 | |
| Italian Socialist Party (PSI) | 1,108,930 | 12.4 | 500 | |
| Italian Social Movement (MSI) | 729,016 | 8.2 | 274 | |
| Italian Democratic Socialist Party (PSDI) | 562,816 | 6.3 | 229 | |
| Italian Republican Party (PRI) | 404,721 | 4.6 | 144 | |
| Italian Liberal Party (PLI) | 302,938 | 3.4 | 86 | |
| Proletarian Democracy (DP) | 80,763 | 0.9 | 10 | |
| Proletarian Unity Party (PDUP) | 19,133 | 0.2 | 7 | |
| Others | 86,186 | 1.0 | 37 | |
| Total | 8,914,500 | 100 | 3,830 |
Provincial elections
| Party | votes | votes (%) | seats |
|---|---|---|---|
| Christian Democracy (DC) | 10,732,902 | 34.8 | 946 |
| Italian Communist Party (PCI) | 10,101,761 | 32.7 | 860 |
| Italian Socialist Party (PSI) | 3,933,700 | 12.7 | 330 |
| Italian Social Movement (MSI) | 2,093,237 | 6.8 | 161 |
| Italian Democratic Socialist Party (PSDI) | 1,800,127 | 5.8 | 142 |
| Italian Republican Party (PRI) | 1,048,868 | 3.4 | 73 |
| Italian Liberal Party (PLI) | 846,851 | 2.7 | 43 |
| Proletarian Democracy (DP) | 78,688 | 0.3 | 1 |
| Proletarian Unity Party (PDUP) | 57,337 | 0.2 | 3 |
| Sardinian Action Party (PSd'Az) | 21,960 | 0.1 | 2 |
| Others | 155,256 | 0.5 | 4 |
| Total | 30,870,687 | 100 | 2,565 |
