| Tourney Name: | Torneo Mondiale di Calcio Coppa Carnevale |
| Year: | 1973 |
| Other Titles: | 25° Torneo di Viareggio |
| City: | Viareggio |
| Country: | Italy |
| Num Teams: | 16 |
| Champion Other: |  Fiorentina |
| Second Other: | Bologna |
| Third Other: |  Steaua București |
| Fourth Other: | Crystal Palace |
| Matches: | 24 |
| Goals: | 55 |
| Prevseason: | 1972 |
| Nextseason: | 1974 |
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 are played in two-legs, while the rest of the rounds are single tie.
