Oscar Han (December 3, 1891 in Bucharest – February 14, 1976 in Bucharest) was a Romanian sculptor and writer.
A student of Dimitrie Paciurea at the Academy of Arts in Bucharest, he was a member of the Group of Four together with painters Nicolae Tonitza, Francisc ?irato and ?tefan Dimitrescu.
His works were exhibited mainly in Bucharest, but also at Romanian art exhibitions and international exhibitions in other European cities.