1903 in Brazil

Events in the year 1903 in Brazil.

Federal government

 * President: Francisco de Paula Rodrigues Alves
 * Vice President: Francisco Silviano de Almeida Brandão

Governors

 * Alagoas: Euclides Vieira Malta (till 12 June), Joaquim Paulo Vieira Malta (from 12 June)
 * Amazonas: Silvério José Néri
 * Bahia: Severino Vieira
 * Ceará: Pedro Augusto Borges
 * Goiás: José Xavier de Almeida
 * Maranhão: Manuel Lopes da Cunha
 * Mato Grosso: Antônio Pedro Alves de Barros, then Antônio Pais de Barros
 * Minas Gerais: Francisco Salles
 * Pará: Augusto Montenegro
 * Paraíba: José Peregrino de Araújo
 * Paraná: Francisco Xavier da Silva
 * Pernambuco: Antônio Gonçalves Ferreira
 * Piauí: Arlindo Francisco Nogueira
 * Rio Grande do Norte: Alberto Maranhão
 * Rio Grande do Sul: Antônio Augusto Borges de Medeiros
 * Santa Catarina:
 * São Paulo:
 * Sergipe:

Vice governors

 * Rio Grande do Norte:
 * São Paulo:

Events

 * 29 June - A meteorite fall, classification H5, is observed in Uberaba, Minas Gerais.
 * 11 November - The Treaty of Petrópolis ends tension between Brazil and Bolivia over the then-Bolivian territory of Acre (today the Acre state).

Births

 * 3 August - Aimée de Heeren, socialite (died 2006)
 * 7 November - Ary Barroso, composer, pianist, songwriter, soccer commentator, and talent-show host (died 1964)
 * 22 December - Joanídia Sodré, music educator, pianist, conductor and composer (died 1975)
 * 30 December - Cândido Portinari, painter (died 1962)

Deaths

 * 22 February - Victor Meirelles, painter (born 1832)