当山 勝利

Katsutoshi Toyama is a Japanese politician currently serving as a member of the Okinawa Prefectural Assembly, representing the Urasoe City constituency. He is affiliated with the Okinawa Social Mass Party and holds the position of faction representative within the assembly. Throughout his tenure, he has been actively involved in various committees, including those focused on general affairs, assembly operations, U.S. military base issues, and special investigations regarding Washington-based matters.