The 2020 Men's Water Polo Olympic Qualification Tournament took place from 14 to 21 February 2021 in Rotterdam, Netherlands. The top three teams advanced to the Olympics.
The tournament was scheduled to take place from 22 to 29 March and then from 31 May to 7 June 2020, but was postponed due to the COVID-19 pandemic.
Due to their semifinal wins, both Montenegro and Greece qualified for the Olympics. Croatia followed by winning the third place game.
<section begin=Draw />The draw took place on 11 February 2020 in Lausanne, Switzerland.
<sup>1</sup> Argentina withdrew from the tournament in mid-February. FINA replaced the South-American team with Romania<section end=Draw />
All times are local (UTC+1).
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