The Sardinian regional election of 1984 took place on 24 June 1984.
One more seat was added.
After the election Mario Melis, leader of the Sardinian Action Party, a nationalist social-liberal outfit, formed a government with the support of the Italian Communist Party, the Italian Socialist Party and, since 1985, the Italian Democratic Socialist Party.[1]
| Colspan=2 | Parties | votes | votes (%) | seats | ||
|---|---|---|---|---|---|---|
| bgcolor=White | Christian Democracy | 319,980 | 32.2 | 27 | ||
| bgcolor=Red | Italian Communist Party | 285,387 | 28.7 | 24 | ||
| bgcolor=Green | Sardinian Action Party | 136,720 | 13.8 | 12 | ||
| bgcolor=Hotpink | Italian Socialist Party | 100,435 | 10.1 | 8 | ||
| bgcolor=Pink | Italian Democratic Socialist Party | 43,046 | 4.3 | 4 | ||
| bgcolor=Blue | Italian Republican Party–Italian Liberal Party | 39,046 | 4.0 | 3 | ||
| bgcolor=Black | Italian Social Movement | 39,091 | 3.9 | 3 | ||
| bgcolor= | Radical Party | 14,244 | 1.4 | align=right | - | |
| bgcolor= | Proletarian Democracy | 9,348 | 0.9 | align=right | - | |
| bgcolor= | Others | 6,279 | 0.6 | align=right | - | |
| Total | 994,020 | 100.0 | 81 | |||