Onshi-ike is an earthfill dam located in Aichi Prefecture in Japan.

The catchment area of the dam is 0.2 square kilometres (0.077 sq mi).

The dam impounds about 2 ha of land when full and can store 111 thousand cubic meters of water.

The construction of the dam was started on 1989 and completed in 1990.

This article about a dam or floodgate in Chūbu region of Honshu, Japan is a stub.