The 2017 NCAA Men's Water Polo Championship occurred from November 25, 2017, to December 3rd in Los Angeles at the Uytengsu Aquatics Center.

[1] The six-member selection committee selects eight institutions based on a wide number of factors, primarily number of wins, rigor of schedule, level of availability, an indication of an upward trend or winning consistently, and RPI.

The championship featured a knockout format where schools that lost were eliminated from the tournament.

[1] Harvard's play-in win over George Washington was the first-ever victory for a school outside California in a non-consolation game in tournament history.

(As of 2019, however, California schools still maintain a perfect record against teams outside the state.)