Higashisakuraoka No.1 Dam (Japanese: 東桜岡第一ダム) is an earthfill dam located in Hokkaido Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 5.8 km. The dam impounds about 7 ha of land when full and can store 548 thousand cubic meters of water. The construction of the dam was started on 1912 and completed in 1913.