Simone Giannelli is an Italian volleyball player, a member of the Italy men's national volleyball team and Italian club Sir Safety Perugia, silver medalist of the 2015 World Cup, bronze medalist of the 2015 European Championship, and gold medalist of the 2021 Men's European Volleyball Championship and the 2022 FIVB Volleyball Men's World Championship.

The Italy men's national volleyball team represents the country in international competitions and friendly matches. The national team is controlled by the Italian Volleyball Federation, the governing body for Volleyball in Italy. It is one of the most successful national teams in the history of volleyball, having won four World Championships, seven European Championships, one World Cup (1995) and eight World League. Italy is the reigning World champion, having won 2022 FIVB Volleyball Men's World Championship.