| Campaigned For: | 2018 Brazilian general election |
| Candidate: | Guilherme Boulos Leader of MTST Sônia Guajajara leader |
| Status: | Announced: 3 March 2018 Presumptive nominee: 10 March 2018 Official nominee: 21 July 2018 Lost in the first round: 7 October 2018 |
| Affiliation: | Socialism and Liberty Party Coalition party: Brazilian Communist Party |
| Slogan: | Vamos sem medo de mudar o Brasil (Let's go without fear of changing Brazil) |
The 2018 presidential campaign of Guilherme Boulos was announced on 3 March 2018 in São Paulo.[1] Guilherme Boulos, a nationally-recognized leader of the Homeless Workers' Movement (MTST), ran as a member of the left-wing Socialism and Liberty Party.
For the position of Vice President, Boulos chose Sônia Guajajara, an indigenous activist and former competitor for the PSOL presidential nomination, as his running mate.[2] On 20 July, a day before PSOL national convention, the Brazilian Communist Party (PCB) confirmed their support to PSOL in the presidential election.[3]