Leonardo Deplano (born 21 July 1999) is an Italian swimmer. He competed in the 2021 FINA World Swimming Championships (25 m), winning gold in the men's 4 ÃÂ 50 metre freestyle relay event.
At the 2022 European Aquatics Championships, held in Rome in August, Deplano won the silver medal in the 50 metre freestyle with a time of 21.60 seconds, finishing 0.02 seconds behind gold medalist Ben Proud of Great Britain.