The Waiohine River is a river of the Greater Wellington Region of New Zealand's North Island.
At first it flows generally south from its origins in the Tararua Range west of à Âtaki. It turns south-east once it reaches the plain where it passes to the north of Greytown and flows into the RuamÃÂhanga River at PÃÂpÃÂwai. Its main tributary is the MangÃÂtarere Stream.
Some of its water reaches Lake Wairarapa directly through many channels and irrigation features in Greytown's fruit-growing district.