Mircea Simon (born January 22, 1954) is a retired Romanian heavyweight boxer.
He took up boxing in 1971 at Dinamo Bucharest, coached by Constantin Nour, and won a silver medal at the 1976 Olympics, losing to Teófilo Stevenson in the final.
In 1978 he fled to the United States, where in 1978–1979 he fought 14 bouts as a professional with a record of 12 wins and two draws.
He later returned to Romania and coached Marian and Dorel Simion.
He then took a break from boxing for ten years, and in 2007 worked with Romanian Boxing Federation to prepare the national team for the 2008 Olympics.