The European Parliament election of 1979 took place on 10 June 1979.
Christian Democracy received the highest vote share in Sardinia, with 39.4%. This was followed by the Italian Communist Party with 32.7%.
| Parties | votes | votes (%) | |
|---|---|---|---|
| Christian Democracy | 341,776 | 39.4 | |
| Italian Communist Party | 283,396 | 32.7 | |
| Italian Socialist Party | 70,524 | 8.1 | |
| Italian Social Movement | 54,169 | 6.3 | |
| Radical Party | 39,516 | 4.6 | |
| Italian Democratic Socialist Party | 25,125 | 2.9 | |
| Italian Liberal Party | 15,294 | 1.8 | |
| Italian Republican Party | 12,052 | 1.4 | |
| Others | 24,725 | 2.9 | |
| Total | 866,577 | 100.0 |