Poenaru (), Poienaru are the Romanian surnames of:
Constantin Poenaru (1842–1912), Romanian general Dorin N. Poenaru (born 1936), Romanian nuclear physicist and engineer Gheorghe Poenaru (born 1956), Romanian footballer (1937–2004), Romanian historian and numismatist Ilie Poenaru (born 1976), Romanian football manager and player Petrache Poenaru (1799–1875), Romanian inventor Petrache Poenaru metro station, metro station in Bucharest Sorin Poenaru (born 1938), Romanian Olympic fencer Valentin Poénaru (born 1932), Romanian-French mathematician Poénaru conjecture
See also Poiana (disambiguation) Poienari (disambiguation)