The 1982 Men's World Water Polo Championship was the fourth 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 29 July to 8 August 1982, and was incorporated into the 1982 World Aquatics Championships in Guayaquil, Ecuador.

Results of previous rounds apply.

Vladimir Akimov, Mikhail Ivanov, Aleksandr Kabanov, Alexander Kleymenov, Sergei Kotenko, Nurlan Mendigaliev, Georgy Mshevenieradze, Erkin Shagaev, Yevgeny Sharonov, Nicola Smirnov, Aleksei Vdovin Head coach: Boris Popov[2]

Vladimir Akimov Mikheil Giorgadze Yevgeny Grishin Mikhail Ivanov Aleksandr Kabanov Alexander Kleymenov Sergey Kotenko Nurlan Mendygaliyev Giorgi Mshvenieradze Erkin Shagaev Yevgeny Sharonov Nikolai Smirnov Aleksey Vdovin Head coach: Boris Popov László Bors Imre Budavári Gábor Csapó Tibor Cservenyák György Gerendás György Horkai György Kenéz István Kiss László Kuncz Gábor Schmiedt Attila Sudár Sándor Tóth János Varga Head coach: Mihály Mayer[4] Frank Blümlein Roland Freund Rainer Hoppe Günter Kilian Thomas Loebb Ralf Obschernikat Werner Obschernikat Rainer Osselmann Frank Otto Peter Röhle Jürgen Schröder Hagen Stamm Bernd Weyer Head coach: Nicolae Firoiu[5]