Nicu is both a masculine Romanian given name and a Romanian surname. Notable people with the name include:

Given name: Nicu Ceaușescu (1951–1996), Romanian communist Nicu Constantin (1938–2009), Romanian actor Nicu Constantinescu (1840–1905), Romanian politician Nicu Covaci (born 1947), Romanian painter and musician Nicu Paleru (born 1973), Romanian Gypsy musician Nicu Porsena (Ionescu) (1892–1971), Romanian writer Nicu Stoian (born 1957), Romanian volleyball player Nicu Vlad (born 1963), Romanian weightlifter

Surname: Epaminonda Nicu (born 1979), Romanian footballer Maximilian Nicu (born 1982), German-Romanian footballer

See also Nicu (disambiguation)