Niculae is a Romanian given name and surname. Notable people with it include:
Given name Niculae Cocea (1880–1949), Romanian journalist, novelist, critic and left-wing political activist Niculae-Cornel Crăciun (born 1925), Romanian Nordic skier Niculae Conovici (1948–2005, Bucharest), Romanian archeologist, amphorologist and numismat Niculae Flocea (born 1987), Romanian sprint canoer Niculae Fulgeanu (born 1971), Romanian former water polo player Nicolae I. Herescu (1906–1961), Romanian classical scholar, essayist, translator and poet Niculae M. Popescu (1881–1963), Romanian theologian, historian and priest of the Romanian Orthodox Church Niculae Nedeff (1928–2017), Romanian handballer Nicolae Pătrașcu (ca. 1580–late 1627), Rulers of Wallachia Niculae Zamfir (born 1958), Romanian wrestler
Surname Constantin Niculae (born 1955), Romanian judoka Daniel Niculae (born 1982), Romanian Footballer Ioan Niculae (born 1954), Romanian businessman and entrepreneur Marius Niculae (born 1981), Romanian footballer