Nastasia Nichitov-Ionescu (born 5 March 1954) is a Romanian sprint canoer who competed from the late 1970s to the early 1980s. Competing in two Summer Olympics, she won a gold medal in the K-4 500 m event at Los Angeles in 1984.
Ionescu also won six medals at the ICF Canoe Sprint World Championships with a silver (K-2 500 m: 1977) and five bronzes (K-2 500 m: 1978, 1979; K-4 500 m: 1978, 1979, 1983).