Santy S. Asanuma (born December 11, 1961) is a Palauan politician who has served as Postmaster General of Palau since 2021. He is also as a member of the Senate of Palau. Asanuma was born to Asanuma Asao, a businessman of Japanese-Palauan heritage, and his wife Sechedui, a member of Palau's Advisory Council.