Waiapu Valley, also known as the Waiapu catchment, Waiapu River valley or simply Waiapu, is a valley in the north of the Gisborne Region on the East Coast of the North Island of New Zealand. It is the catchment area for the Waiapu River and its tributaries, and covers 1,734 square kilometres (670 sq mi). The Raukumara Range forms the western side of the valley, with Mount Hikurangi in the central west. The towns of Ruatoria and Tikitiki are in the north-east of the valley.

Gisborne District or the Gisborne Region is a local government area of northeastern New Zealand. It is governed by Gisborne District Council, a unitary authority. It is named after its largest settlement, the city of Gisborne. The region is also commonly referred to as the East Coast.