The Wills River is a river of the southern West Coast region of New Zealand's South Island.

It flows west to reach the Haast River 10 kilometres north of the Haast Pass.

The river was named by Julius von Haast when he searched for a crossing from Otago to the West Coast.

[1] "Place name detail: Wills River".

This article about a river in the West Coast Region of New Zealand is a stub.