Moheizawa No.2 Dam (Japanese: 茂平沢第二ダム) is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 0.8 km. The dam impounds about 4 ha of land when full and can store 247 thousand cubic meters of water. The construction of the dam was completed in 1985.