The 1973 winners of the Torneo di Viareggio (in English, the Viareggio Tournament, officially the Viareggio Cup World Football Tournament Coppa Carnevale), the annual youth football tournament held in Viareggio, Tuscany, are listed below.
The 16 teams are organized in knockout rounds. The round of 16 is played in two-legs, while the rest of the rounds are single tie.