| Ruakōkoputuna River | |
| Source1 Location: | Aorangi Range |
| Mouth Location: | Huangarua River |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Length: | 15abbr=onNaNabbr=on |
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 10km (10miles) south of Martinborough. The river's upper section flow through the Patuna Chasm, a narrow slot canyon.