The 1975 Men's World Water Polo Championship was the second 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 19 to 26 July 1975, and was incorporated into the 1975 World Aquatics Championships in Cali, Colombia.

Preliminary round results apply.

Preliminary round results apply.

Aleksei Barkalov Aleksandr Dreval Aleksandr Dolgushin Sergey Gorshkhov Aleksandr Kabanov Anatoly Klebanov Nikolay Melnikov Aleksandr Rodionov Vitaly Romanchuk Vitaly Rozkov Aleksandr ZakharovHead coach: Anatoly Blumental Endre Molnár Tamás Faragó Gábor Csapó István Szívós András Bodnár Ferenc Konrád István Magas László Sarosi György Horkai Tibor Cservenyák István GörgényiHead coach: Dezső Gyarmati Alberto Alberani Roldano Simeoni Silvio Baracchini Sante Marsili Roberto Castagnola Gianni De Magistris Alessandro Ghibellini Luigi Castagnola Marcello Del Duca Vincenzo D'Angelo Mario Scotti-GallettaHead coach: Gianni Lonzi