Iwafune (岩舟町, Iwafune-machi) was a town located in Shimotsuga District, Tochigi Prefecture, Japan.

As of 2013, the town had an estimated population of 18,152 and a density of 390 persons per km2.

The total area was 46.74 km2.

[1] On April 5, 2014, Iwafune was merged into the expanded city of Tochigi.

This Tochigi Prefecture location article is a stub.