2014 Acre gubernatorial election took place as part of the elections in 26 states and the Federal District. Tião Viana (Workers' Party) and Nazareth Araújo were elected to the positions of governor and vice governor, respectively and Gladson Cameli for the position of senator. In addition, 8 federal deputies and 24 state deputies were elected. As none of the gubernatorial candidates received more than half of the valid votes, there was a second round on 26 October 2014 between Tião Viana and Márcio Bittar, with Tião Viana's ticket winning with 51.29% of the valid votes. By the Brazilian Constitution, the governor is elected for a four-year term beginning on the January 1st, 2015.
The electoral process in the state had 506,520 eligible votes and 87,748 (17.32%) abstentions in the first round. In the second round, there were 112,365 (22.18%) abstentions. Excluding blank and spoilt votes, state deputies were elected with 405,514 votes, while federal deputies were elected with 399,201 votes. The position of senator was decided by 374,813 valid votes and the one of governor by 388,590 valid votes in the first round and by 383,167 valid votes on the second round.