Water polo was contested by men's teams at the 2002 Asian Games in Busan, South Korea from September 30 to October 6, 2002. Six teams competed in two round robin groups. All games were staged at the Changwon Swimming Pool.
The teams were seeded based on their final ranking at the 1998 Asian Games.
<nowiki>*</nowiki> Withdrew.
<small>All times are Korea Standard Time ()</small>