Water polo at the 2019 Summer Universiade in Naples was played between 2 and 14 July.

[1] 20 teams participated in the tournament.

Following the FISU regulations, the maximum of 12 teams in water polo events where the number of entries is larger than the authorised participation level were selected by:[2] Five swimming pools have been selected to host the Universiade (three for the competitions and two as training facilities):[3][4] Training pools: Draws for team sports competitions were held on 5 April 2019 in Naples.

[4][5][6] According to FISU regulations, draw of pools was based on the following criteria:[2] Russia (2) Italy (3) France (4) Hungary (5) Japan (5) United States (9) Great Britain (8) Croatia (10) Australia (11) South Korea (12) United States (1) Hungary (2) Japan (3) Russia (4) Canada (5) Australia (6) France (7) Italy (8) China (?)

Czech Republic (?)