Luca Dotto (born 18 April 1990) is an Italian swimmer.
He holds the Italian record in the 100 m freestyle with a time of 47.96 and was the first Italian to break 48 seconds.
He also won the silver medal in the 50 m freestyle at the 2011 World Aquatics Championships in Shanghai.
He competed at the 2012 and 2016 Summer Olympics, competing in the 50 m and 100 m freestyle, and as part of the Italian men's 4 x 100 m freestyle and 4 x 100 m medley on both occasions.