The Motupiko River is a river of the Tasman Region of New Zealand's South Island. A major tributary of the Motueka River, it flows north from its origins southeast of the Hope Saddle, meeting the Motueka at Kohatu Junction, 15 kilometres west of Wakefield. The Motupiko's tributaries include the Rainy River.

• List of rivers of New Zealand

"Place name detail: Motupiko River". New Zealand Gazetteer. New Zealand Geographic Board. Retrieved 12 July 2009.

41°27′S 172°50′E