- Source: Duque de Caxias (disambiguation)
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