2018 Acre gubernatorial election
A gubernatorial election was held in Acre on 7 October 2018 to elect the next governor of the state, 8 federal deputies, and two out of its three senators. Senator Gladson Cameli won 53% of the vote in the first round, making him the elected governor of Acre without the need for a runoff. Senator Sérgio Petecão was reelected with 30% of the vote and former congressman Márcio Bittar was elected with 23% of the vote, unseating Jorge Viana, one of the incumbent senators.
The previous gubernatorial election in the state was held in October 2014. Workers' Party candidate Tião Viana was re-elected after a runoff with 51.29% of the vote, beating PSDB candidate Márcio Bittar, who got 48.71% of the vote.
Candidates for governor
Progressistas (PP)
- Gladson Cameli - Senator for Acre since 2015; Federal deputy for Acre 2007–2015.
Workers' Party (PT)
- Marcus Alexandre -Rio Branco mayor 2013–2018.
Social Liberal Party (PSL)
- Coronel Ulysses - Former military police colonel.
Avante
- David Hall - Ufac philosophy teacher.
Rede Sustentabilidade (REDE)
- Janaina Furtado - Alderwoman of Tarauacá since 2017.
Candidates for senator
Social Democratic Party (PSD)
- Sérgio Petecão - Senator for Acre since 2011; Federal deputy for Acre 2007–2011; State deputy for Acre 1995–2007.
Brazilian Democratic Movement (MDB)
- Márcio Bittar - Federal deputy for Acre 1999–2003, 2011–2015.
Workers' Party (PT)
- Jorge Viana - Rio Branco mayor 1993–1997; Governor of Acre 1999–2007; Senator for Acre since 2013.
- Ney Amorim - State deputy since 2006.
Rede Sustentabilidade (REDE)
- Minoru Kinpara - Ufac director of development of teaching.
Social Liberal Party (PSL)
- Pedrazza - Lawyer.
Results
Senator
Elect| Candidate | Valid Votes | % |
| Sérgio Petecão | 244,109 | 30.71 |
| Márcio Bittar | 185,066 | 23.28 |
| Jorge Viana | 117,200 | 14.74 |
| Ney Amorim | 115,243 | 14.50 |
| Minoru Kinpara | 112,989 | 14.21 |
| Pedrazza | 20,302 | 2.55 |
| Valid votes | 794,909 | 89.63 |
| Null votes | 60,815 | 6.86 |
| Blank votes | 31,134 | 3.51 |
| Total votes | 886,858 | 100 |
| Turnout | 886,858 | 81.01 |
| Abstentions | 103,929 | 18.99 |
| Total | 990,787 | 100 |