Carmen Ionesco (birth name Carmen Ionescu; born July 28, 1951, in Bucharest, Romania) is a retired discus thrower and shot putter, who competed for Romania and Canada at the Summer Olympics.
She represented Romania in her first Olympic appearance, at Munich in 1972. Following her emigration to Canada, Ionesco competed for Canada at two Commonwealth Games (1978 and 1982), the 1979 Pan American Games, and the 1984 Summer Olympic Games in Los Angeles.
Her younger sister Florența competed for Romania in the 1980 and 1984 Summer Olympics.
