Presidential elections were held in Brazil on 1 March 1910. The result was a victory for Hermes da Fonseca, who received 57% of the vote. Fonseca was supported by several of the most influential Republican parties, whilst his main opponent Ruy Barbosa was supported by the Civilist Campaign, a movement opposed to da Fonseca. After the election da Fonseca was also supported by the Conservative Republican Party.