Kotaro Suzumura was a Japanese economist and professor emeritus of Hitotsubashi University and Waseda University. He graduated from Hitotsubashi University in 1966. His research interests were in social choice theory and welfare economics. He was also a Fellow of the Econometric Society. He was named a Person of Cultural Merit in 2017.

Hitotsubashi University , also known as a Tokyo University of Commerce is a national university located in Tokyo, Japan. It has campuses in Kunitachi, Kodaira, and Chiyoda.