Piero Campelli (Italian pronunciation: [ˈpjɛːro kamˈpɛlli]; 20 December 1893 – 21 June 1946) was an Italian amateur footballer who played as a goalkeeper.
At club level, he played for Inter, while he competed in the 1912 Summer Olympics and the 1920 Summer Olympics with the Italy national football team.
At international level, Campelli was the goalkeeper of the Italian Olympic squad in 1912 and played one match in the main tournament as well as two matches in the consolation tournament.
He made a total of 11 international appearances for Italy between 1912 and 1921.
Regarded as a precocious talent in his youth, Campelli was known in particular for his handling of the ball, and was one of the first goalkeepers in Italy to attempt to catch shots or come off his line to claim crosses rather than palming or punching them away, thus contributing to the development and popularisation of this particular goalkeeping technique.