Oscar Han 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 Șirato and Ștefan Dimitrescu. Han is mainly known for his statues and busts of notable Romanians. His works were exhibited mainly in Bucharest, but also at Romanian art exhibitions and international exhibitions in other European cities.