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