The 2018 FINA Men's Water Polo World League is the 17th edition of the annual men's international water polo tournament.

It will be played between November 2017 and June 2018 and opened to all men's water polo national teams.

[1] The top two teams also automatically qualify for the 2019 FINA World Aquatics Championships in 2019.

In the world league, there are specific rules that do not allow matches to end in a draw.

Teams earn points in the standings in group matches as follows: