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|Born||16 September 1991|
|Height||177 cm (5 ft 10 in)|
|Weight||75 kg (165 lb)|
|Club||Pays D'Aix Natation|
Mitsuaki Shiga (志賀 光明 Shiga Mitsuaki, born 16 September 1991) is a water polo player from Japan. He was part of the Japanese team at the 2016 Summer Olympics, where the team was eliminated in the group stage.