Water polo at the 2003 World Aquatics Championships – Men's tournament
The 2003 Men's World Water Polo Championship was the tenth edition of the men's water polo tournament at the World Aquatics Championships, organised by the world governing body in aquatics, the FINA. The tournament was held from 14 to 26 July 2003, and was incorporated into the 2003 World Aquatics Championships in Barcelona, Spain.
Teams
;Group A;Group C
Squads
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
Second round
- July 20, 2003
Final round
- July 22, 2003
- July 24, 2003
- July 26, 2003
Play-offs
- July 20, 2003
- July 22, 2003
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- July 22, 2003
- July 24, 2003
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- July 24, 2003
- July 26, 2003
Final ranking
Medalists
| Gold | Silver | Bronze |
| ' Tibor Benedek Péter Biros Rajmund Fodor István Gergely Tamás Kásás Gergely Kiss Norbert Madaras Tamás Molnár Barnabás Steinmetz Zoltán Szécsi Tamás Varga Zsolt Varga Attila Vári Head Coach Dénes Kemény | ' Alberto Angelini Fabio Bencivenga Fabrizio Buonocore Alessandro Calcaterra Roberto Calcaterra Maurizio Felugo Goran Fiorentini Marco Gerini Andrea Mangiante Francesco Postiglione Bogdan Rath Carlo Silipo Stefano Tempesti Head Coach Paolo de Crescenzo | Aleksandar Ćirić Vladimir Gojković Danilo Ikodinović Viktor Jelenić Predrag Jokić Nikola Kuljača Slobodan Nikić Aleksandar Šapić Dejan Savić Denis Šefik Vanja Udovičić Vladimir Vujasinović Boris Zloković Head Coach Nenad Manojlović |
Individual awards
- Most Valuable Player
- Best Goalkeeper
- Topscorer