Dinicu is a Romanian surname. It may refer to:
Angheluş Dinicu (?–?, ca. 19th century), Romanian composer, naist (panpiper) and violinist – grandfather of Grigoraș Dinicu Grigoraș Dinicu (complete: Grigoraș Ionică Dinicu; 1889–1949), Romanian composer, arranger and violinist – grandson of Angheluș Dinicu Ionică Dinicu (born as: Ionică Dinu; ?–?), Romanian musician singer and lutanist Dimitrie A. Dinicu (1868–1936), Romanian musician Dimitrie D. Dinicu (?–?), Romanian violinist/violoncellist and music teacher/professor Dimitrie G. Dinicu (1898–1964), Romanian musician Gheorghe A. Dinicu (1863–1930), Romanian musician Nicolae A. Dinicu (1879–1954), Romanian musician Sile Dinicu (native: Vasile Dinicu; 1919–1993), Romanian composer, conductor, arranger and pianist Carolina Varga Dinicu (stage name: Morocco; b. 1940), Romanian Romance US American dancer and dancing master Florica Dinicu (b. 1957), Romanian actor Viorica Dinicu (b. ?[/?–?]), Romanian actor (in the film: Anotimpul iubirii, 1986)
Dinicu is the Romanian forename of:
Dinicu Golescu (Constantin Radovici Golescu; 1777–1830), a member of the Golescu family of boyars, was a Wallachian Romanian man of letters, mostly noted for his travel writings and journalism