Melita Ruhn (later Fleischer, born 19 April 1965) is a retired Romanian artistic gymnast who represented Romania at the 1980 Summer Olympics.
She belongs to the German minority in Romania.
She won three Olympic medals (team, vault, uneven bars) for Romania and scored a perfect ten for the vault optionals in the team competition of the 1980 Olympic Games.
In 1979 she was a member of the first world gold medal winning team of Romania.
She is also an all around and floor world bronze medalist.