Itaipu Dam is a hydroelectric dam on the Brazil-Paraguay border.

Itaipu may also refer to:

Itaipu Lake, located on the Brazil-Paraguay border Itaipu Airport, in Hernandarias, Paraguay Itaipu, Niterói, a district in Rio de Janeiro, Brazil Itaipu (Glass), a 1989 composition by Philip Glass Gurgel Itaipu E150, a 1975 Brazilian electric car named after the dam and power plant Gurgel Itaipu E400, a 1981 follow-up vehicle

See also Santa Terezinha de Itaipu, a municipality in Paraná, Brazil