Wakayama Dam (Japanese: 若山ダム) is an earthfill dam located in Ishikawa Prefecture in Japan.

The catchment area of the dam is 4.2 km2.

The dam impounds about 6 ha of land when full and can store 486 thousand cubic meters of water.

The construction of the dam was completed in 1963.

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