Alessandro Michieletto (; born 5 December 2001) is an Italian professional volleyball player and member of the Italy men's national volleyball team.
Michieletto currently plays for Itas Trentino volleyball club as an outside hitter. His father, Riccardo Michieletto, is a former Italian volleyball player and his sister Francesca Michieletto also plays professional beach and indoor volleyball.
With the Italian national team, he was named to the 2020 Tokyo Olympics squad. In his Olympic debut versus Canada, he led all scorers with 24 points in Italy's five-set comeback win.