Duque de Caxias may refer to:

• Luís Alves de Lima e Silva, Duke of Caxias (1803–1880), patron of the Brazilian Army; namesake for the following:
  • Duque de Caxias, Rio de Janeiro, a city in the state of Rio de Janeiro in southeastern Brazil
  • Duque de Caxias (U-11), a Brazilian Navy transport ship; the former USS Orizaba
  • Brazilian landing ship Duque de Caxias (G26)
  • Duque de Caxias Futebol Clube, a Brazilian football team
  • Esporte Clube Tigres do Brasil of Duque de Caxias
  • Duque de Caxias, Santa Maria
  • CEPE-Caxias

This disambiguation page lists articles associated with the title Duque de Caxias.
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