- Source: Baron of Rio Preto
- Daftar seniman Katolik
- Daftar Perdana Menteri Portugal
- Baron of Rio Preto
- Afonso Celso, Viscount of Ouro Preto
- Ribeirão Preto
- Brazilian nobility
- Joaquim Henrique de Araújo, Viscount of Pirassununga
- Proclamation of the Republic (Brazil)
- Petrópolis
- Seven Wonders of Brazil
- Brazilian Carnival
- Valença, Rio de Janeiro
Baron of Rio Preto is a Brazilian noble title created by Emperor Pedro II of Brazil, by decree of December 6, 1854, in favor of Domingos Custódio Guimarães.
Holders
Domingos Custódio Guimarães (1802–1868) – first viscount of Rio Preto;
Domingos Custódio Guimarães Filho (?–1876) – second baron of Rio Preto.