The Orokaiva are a people indigenous to Papua New Guinea. In 1930, they were reported as being speakers of Binandere and divided into three groups: the Umo-ke ("River People"); the Eva-Embo ("the Salt-Water People"); and the Pereho ("the Inland People").
The Orokaiva occupied what is now Oro Province and the periphery of the area they inhabited was marked by the Owen Stanley Range in the south, German New Guinea in the west, and the Hydrographers Range in the south. The people of Orokaiva have traditionally stories that some of their ancestors were giants. These can be proven by traditional artifacts of the past kept by knowledge keepers and modern generations of Orokaiva people, including oversized armbands, stone axes, and spears. These people are great warriors and fighters and won many traditional wars to protect their land.