Ryuzo Hiraki (平木 隆三, Hiraki Ryūzō, October 7, 1931 – January 2, 2009) was a Japanese football player and manager. He played for Japan national team.^[1]

Hiraki was born in Sakai on October 7, 1931. After graduating from Kwansei Gakuin University, he joined Yuasa Batteries in 1957. In 1958, he moved to Furukawa Electric. Furukawa Electric won 1960, 1961 and 1964 Emperor's Cup. In 1965, Furukawa Electric joined new league Japan Soccer League. He played 6 games in the league. He retired in 1966.

In March 1954, when Hiraki was a Kwansei Gakuin University student, he was selected Japan national team for 1954 World Cup qualification. At this qualification, on March 14, he debuted against South Korea. In 1956, he was selected Japan for 1956 Summer Olympics in Melbourne. He also played at 1954, 1958 and 1962 Asian Games. In 1964, he was selected Japan as captain for 1964 Summer Olympics in Tokyo. However, he could not play for injury. After 1964 Summer Olympics, he retired from national team. He played 30 games and scored 1 goal for Japan until 1962.^[2]

In 1962, when Hiraki played for Furukawa Electric, he became a playing manager as Ken Naganuma successor for the club and managed until 1965. He also served a coach for Japan national team and a manager for Japan U-20 national team. In 1968, he participated as a coach in 1968 Summer Olympics in Mexico City and Japan team won Bronze Medal. In 2018, this team was selected Japan Football Hall of Fame. In 1992, he signed with Nagoya Grampus Eight joined new league J.League and he managed until 1993.

In 2005, Hiraki was selected Japan Football Hall of Fame. On January 2, 2009, he died of pneumonia in Toyota at the age of 77.

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• Japan Football Hall of Fame: Inducted in 2005^[4]