Marco Di Costanzo (born 9 June 1992) is an Italian rower. He won the bronze medal in the coxless pair at the 2016 Summer Olympics and in the coxless four at the 2020 Summer Olympics. He also won a gold medal at the 2015 World Rowing Championships an the silver medal at the 2017 World Rowing Championships and at the 2018 World Rowing Championships in the couxless four.