Itaqui is a municipality in the state of Rio Grande do Sul, Brazil.
Itaqui may also refer to:
Porto do Itaqui, port in São Luís, Maranhão, Brazil Itaqui (footballer, born 1973), Jesus Cleiton Pereira da Silva, Brazilian football right-back Itaqui (footballer, born 1988), Odacir Pereira da Silva, Brazilian football left-back Itaqui (footballer, born 1990), Gerethes Cleucir Souza da Silva, Brazilian football right-back Actinopus itaqui, species of mygalomorph spider