Ryuji Sato (佐藤 隆治, Satō Ryūji; born 16 April 1977) is a former Japanese football referee. He has officiated matches in the J1 League, AFC Champions League and FIFA World Cup qualifiers and is currently a director of referees in the J.League.
Source: “Ryuji Sato”, English Wikipedia (CC BY-SA 4.0), excerpt
