Water polo at the 2020 Summer Olympics – Men's tournament
The men's tournament of water polo at the 2020 Summer Olympics at Tokyo, Japan began on 25 July and ended on 8 August 2021. It was held at the Tokyo Tatsumi International Swimming Center. It was the 27th official appearance of the tournament, which was not held in 1896 and was a demonstration sport in 1904 but otherwise had been held at every Olympics.