The 13th edition of the FINA Men's Water Polo World Cup was held in the Alfréd Hajós Swimming Pool on Margitsziget (Margaret Island) in Budapest, Hungary, from 13 to 18 June 2006.

[1] The top eight teams from the previous World Aquatic Championship have qualified.

Hungary Serbia and Montenegro Greece Croatia Spain Romania Russia Italy Host (2nd 2005 World Championship)1st 2005 World Championship3rd 2005 World Championship4th 2005 World Championship5th 2005 World Championship6th 2005 World Championship7th 2005 World Championship8th 2005 World Championship Following ranking of the 2005 World Championship Serbia and Montenegro (1) Hungary (2) (H) Greece (3) Croatia (4) Spain (5) Romania (6) Russia (7) Italy (8) Hungary (H) Greece Romania Italy Serbia and Montenegro Croatia Spain Russia

Head coaches:

Head coach: