The Sardinian regional election of 1999 took place on 13 and 27 June 1999.
The centre-right coalition led by Mauro Pili won the election but was short of a clear majority; Pili, who was appointed President of the Region, could not form a majority and was soon replaced by the defeated candidate, Gian Mario Selis, who likewise lost a confidence vote of the Regional Council. The former President Mario Floris was asked to form a government avoiding a new regional election.
|- style="background-color:#E9E9E9;text-align:center;" ! colspan="4" rowspan="1" style="text-align:left;" | Parties and coalitions ! colspan="1" | Votes ! colspan="1" | % ! colspan="1" | Seats |- | style="background-color:pink" rowspan="8" | | style="background-color:" | | style="text-align:left;" | Democrats of the Left (Democratici di Sinistra) | DS | 122,675 || 14.2 || 10 |- | style="background-color:" | | style="text-align:left;" | Italian People's Party (Partito Popolare Italiano) | PPI | 87,566 || 10.2 || 7 |- | style="background-color:pink" | | style="text-align:left;" | Democratic Federation (Federazione Democratica) | FD | 49,584 || 5.8 || 4 |- | style="background-color:orange" | | style="text-align:left;" | The Democrats (I Democratici) | Dem | 46,857 || 5.8 || 4 |- | style="background-color:purple" | | style="text-align:left;" | Italian Democratic Socialists (Socialisti Democratici Italiani) | SDI | 43,250 || 5.0 || 3 |- | style="background-color:" | | style="text-align:left;" | Communist Refoundation Party (Rifondazione Comunista) | PRC | 31,713 || 3.7 || 2 |- | style="background-color:" | | style="text-align:left;" | Party of Italian Communists (Comunisti Italiani) | PdCI | 18,257 || 2.1 || 0 |- | style="background-color:" | | style="text-align:left;" | The Greens (I Verdi) | FdV | 15,833 || 1.8 || 0 |- style="background-color:pink" | style="text-align:left;" colspan="4" | The Olive Tree (Selis) | 415,735 || 48.6 || 30 |- | style="background-color:lightblue" rowspan="5" | | style="background-color:" | | style="text-align:left;" | Forza Italia | FI | 169,470 || 19.7 || 13 |- | style="background-color:" | | style="text-align:left;" | National Alliance (Alleanza Nazionale) | AN | 85,201 || 9.9 || 7 |- | style="background-color:blue" | | style="text-align:left;" | Sardinian Reformers (Riformisti Sardi) | RS | 38,259 || 4.4 || 3 |- | style="background-color:" | | style="text-align:left;" | Christian Democratic Centre (Centro Cristiano Democratico) | CCD | 34,866 || 4.0 || 3 |- | style="background-color:grey" | | style="text-align:left;" | New Movement (Nuovo Movimento) | NM | 28,771 || 3.3 || 2 |- style="background-color:lightblue" | colspan="4" style="text-align:left;" | Pole for Freedoms (Pili) | 356,567 || 41.3 || 28 |- | style="background-color:" | | style="text-align:left;" colspan="2" | Sardinian Action Party (Partito Sardo d'Azione) | PSdAz | 38,422 || 4.5 || 3 |- | style="background-color:orange" | | style="text-align:left;" colspan="2" | Democratic Union for the Republic (Unione Democratica per la Repubblica) | UDR | 35,177 || 4.1 || 3 |- for the | style="background-color:red" | | style="text-align:left;" colspan="2" | Sardinia Nation (Sardigna Natzione) | SN | 15,283 || 1.8 || 0 |- | colspan="7" style="background-color:#E9E9E9" | |- style="font-weight:bold;" | style="text-align:left;" colspan="4" | Total | 861,184 || 100.00 || 64 |- | colspan="7" style="background-color:#E9E9E9" | |- | style="text-align:left;" colspan="4" | Turnout | || 66.3 || style="background-color:#E9E9E9;" | |- | colspan="7" style="background-color:#E9E9E9" | |- | style="text-align:left;" colspan="7" | Source: Regional Council of Sardinia