|Basin countries||New Zealand|
|Length||18 km (11 mi)|
The Tauanui River is a river of the South Wairarapa District of the Wellington Region of New Zealand's North Island. It flows northwest from its source in the Aorangi Range to reach the Ruamahanga River close to the southern end of Lake Wairarapa.
"Place Name Detail: Tauanui River". New Zealand Geographic Placenames Database. Land Information New Zealand. Retrieved 12 July 2009.
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