Hiwi refer to:
Hiwi (volunteer), POWs of occupied nations who volunteered to help the Nazis Hiwi al-Balkhi, 9th century exegete and critic of Bible Hiwi people, a people of Colombia and Venezuela Guahibo language, the Cuahiban language spoken by them Waia language, a Trans-Fly language of Papua New Guinea Waboda language, a Trans–New-Guinea language spoken in the Fly River delta, Papua New Guinea