Final count
| Candidate | Party | Votes | Share |
| OTAVIANO PIVETTA | REPUBLICANOS | 1,128,099 | 60.8% |
| WELLINGTON FAGUNDES | PL | 430,442 | 23.2% |
| DOUTORA NATASHA | PSD | 281,548 | 15.2% |
| RAFAELL MILAS | MISSÃO | 10,300 | 0.6% |
| SARGENTO LAUDICÉRIO | AGIR | 3,210 | 0.2% |
| MAURICIO COELHO | MOBILIZA | 2,694 | 0.1% |
| Total votes | 1,856,293 | |
Turnout 77.8%: 2,049,718 ballots from 2,634,992 registered voters.
TSE EA20 result file, round 1, generated 4 Oct 2026 21:32:09 Brasília time: final totalisation ('tf': 's', 'and': 'f'), 8,287 of 8,287 polling sections totalised on 4 Oct 2026 at 20:31:48 (Brasília time, UTC-3). Rows: each candidate's ballot name and party as the TSE writes them, with nominal votes. totalVotes = valid votes ('vv', nominal only: no party-label votes for this office) 1,856,293; ballots = attendance ('c') 2,049,718; electorate ('te') 2,634,992; blank 82,690, null 110,735. Elected in round 1 (absolute majority of valid votes, Constitution art. 28 with art. 77): OTAVIANO PIVETTA (REPUBLICANOS), status 'Eleito'. Diplomação (by 18 Dec 2026) is a later formality and does not change the count. Observed: the TSE result file for MT (governor, cargo 3, election 6259) shows the final totalisation ('tf': 's', 'and': 'f', all 8,287 polling sections) on 4 Oct 2026 at 20:31:48 Brasília time, recorded as 2026-10-04T23:31:48Z. Published by Tribunal Superior Eleitoral, 5 Oct 2026: resultados.tse.jus.br/oficial/ele2026/6259/dados/mt/mt-c0003-e006259-u.json. Official publication of the TSE; no reuse terms stated. Lei 9.610/1998 art. 8 IV (planalto.gov.br/ccivil_03/leis/l9610.htm, read 25 Oct 2026): "Não são objeto de proteção como direitos autorais [...] os textos de tratados ou convenções, leis, decretos, regulamentos, decisões judiciais e demais atos oficiais".
The authority's own page is the primary source for this result; this page is a copy of it.