The 2009 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 40 teams are seeded in 10 pools, split up into 5-pool groups. Each team from a pool meets the others in a single tie. The winning club from each pool and three best runners-up from both group A and group B progress to the final knockout stage. All matches in the final rounds are single tie. The Round of 16 envisions penalties and no extra time, while the rest of the final round matches include 30 minutes extra time and penalties to be played if the draw between teams still holds.