Luca Sacchi is a swimmer who has competed for Italy.
He competed at the 1988, 1992, and 1996 Summer Olympic Games.
Sacchi's major Olympic success transpired at his second Olympics in 1992. There, he snared a bronze with an Italian record time (4:16.34) in the men's 400 metres individual medley, trailing the defending champion Tamás Darnyi by a couple of seconds.
He is the nephew of Mexico City 1968 swimmers Mara and Massimo Sacchi.