Mariana Lengyel (née Ionescu; born 14 April 1953) is a Romanian female former track and field athlete who competed in the discus throw.
She was a three-time national champion, winning from 1987 to 1989.
[1] She represented her country at the 1987 World Championships in Athletics, finishing in eighth place.
[2] She was bronze medallist on home turf in Bucharest at the 1981 Summer Universiade.
[3] Her personal best 69.08 m (226 ft 7+1⁄2 in) was achieved in 1986 and ranked her fifth globally that year.