Marco Orsi (born 11 December 1990) is an Italian competitive swimmer who won eight gold medal at the European Short Course Swimming Championships.

[2] In 2012 Marco Orsi qualified for his first Olympic appearance in London 2012.

[3] He is trained by Roberto Odaldi.

[4] He competed in the men's 50 m freestyle, and was part of the Italian men's 4 × 100 m freestyle relay team.

At the 2016 Summer Olympics, he was part of the Italian men's 4 × 100 m freestyle relay team.