Diana Luna (born 3 September 1982) is a professional golfer from Italy. Luna was born in Rome, Italy and turned professional in 2001. She won her first event on the Ladies European Tour in 2004 at the Tenerife Ladies Open, beating Becky Brewerton down the stretch. After winless years in 2005-2008, Luna won two events back-to-back in the summer of 2009 for her second and third wins. Those two wins gave Luna a spot on the 2009 Solheim Cup European team. At the 2018 Mediterranean Games, Luna won a silver medal in the women's team competition.