Ohi Dam is an earthfill dam located in Fukuoka Prefecture in Japan.

The catchment area of the dam is 4.2 km2.

The dam impounds about 18 ha of land when full and can store 1252 thousand cubic meters of water.

The construction of the dam was started on 1977 and completed in 1978.

This article about a dam or floodgate on Kyushu, Japan is a stub.