Caxias may refer to:
Places Brazil Caxias do Sul, Rio Grande do Sul Caxias (Maranhão) Duque de Caxias, Rio de Janeiro Caxias River, a river of Maranhão state in northeastern Brazil
Portugal Caxias, Oeiras
Mars Caxias (crater), a Martian impact crater
Football clubs Sociedade Esportiva e Recreativa Caxias do Sul, a Brazilian football (soccer) club from Caxias do Sul, Rio Grande do Sul Caxias Futebol Clube, a Brazilian football (soccer) club from Joinville, Santa Catarina Duque de Caxias Futebol Clube, a Brazilian football (soccer) club from Duque de Caxias, Rio de Janeiro CEPE-Caxias, a Brazilian women's football team, from Duque de Caxias, Rio de Janeiro state
See also Luís Alves de Lima e Silva, Duke of Caxias (1803–1880), Brazilian military leader, nobleman and statesman