Grigore Antipa ([ɡriˈɡore anˈtipa]; 27 November 1866 in Botoșani – 9 March 1949 in Bucharest) was a Romanian Darwinist biologist who studied the fauna of the Danube Delta and the Black Sea. Between 1892 and 1944 he was the director of the Bucharest Natural History Museum, which now bears his name.
He is also considered to be the first person to modernize the diorama by emphasizing the three-dimensional aspect and first to use dioramas in a museum setting.
Additionally, Antipa was a specialist in zoology, ichthyology, ecology and oceanography, and was a university professor.
He was elected as member of the Romanian Academy in 1910 and was also a member of several foreign academies. He founded a school of hydrobiology and ichthyology in Romania.