Water polo at the 2003 World Aquatics Championships – Men's tournament

Participating teams

Groups formed

Preliminary round

Group A

• July 14, 2003
• July 16, 2003
• July 18, 2003

Group B

• July 14, 2003
• July 16, 2003
• July 18, 2003

Group C

• July 14, 2003
• July 16, 2003
• July 18, 2003

Group D

• July 14, 2003
• July 16, 2003
• July 18, 2003

Playoff round

• July 20, 2003

Final round

Quarter finals

• July 22, 2003

Semi finals

• July 24, 2003

Finals

• July 26, 2003 — Bronze Medal Match
• July 26, 2003 — '''Gold Medal Match'''

13th-16th place

• July 20, 2003
• July 22, 2003

9th-12th place

• July 22, 2003
• July 24, 2003

5th-8th place

• July 24, 2003
• July 26, 2003

Medalists

Individual awards

• '''Topscorer'''