The Ruakōkoputuna River is a river of the Wairarapa, in the Wellington Region of New Zealand's North Island.

It flows northeast from its sources within Haurangi Forest Park to the east of Palliser Bay, reaching the Huangarua River 10 kilometres (6 mi) south of Martinborough.

The river's upper section flow through the Patuna Chasm, a narrow slot canyon.

"Place name detail: Ruakokoputuna River".

This article about a river in the Wellington Region is a stub.