Marius Bunescu (15 May 1881 – 31 March 1971) was a Romanian painter, organizer of the National Museum of Art, and director of the Anastase Simu Museum. Bunescu was born in Caracal, Romanați County, the son of Ioniță Bunea, a craftsman. He started his training in 1904–1906 with Dimitrie Hârlescu in Constanța, after which he went to study at the Academy of Fine Arts in Munich, where he worked with Hermann Groeber. He made his debut in 1911 at the Official Salon in Bucharest, and he had his first personal exhibit in 1919, at the Minerva Library. In 1924 he exhibited some of his paintings at the Romanian pavilion, during the Venice Biennale arts festival; he returned for exhibits at the Biennale in 1942 and 1954.