Koyo High School

Koyo High School is located in Wakayama, Wakayama. They won the Summer Koshien in 1939 and 1940, and also being runner-up in 1929.

Notable Alumni

• Masahiro Hayashi, NPB infielder
• Kiyoshi Iwade, NPB outfielder
• Osamu Izawa, NPB pitcher
• Itsuzo Kawakita, NPB infielder
• Hiroshi Masuda, NPB infielder
• Seizo Morimoto, NPB infielder and pitcher
• Yasuchika Negoro, NPB executive
• Tsuneo Nozaki, NPB pitcher
• Masaaki Oishi, NPB outfielder
• Bunjiro Sakamoto, NPB infielder
• Juzo Sanada, NPB pitcher ;Japanese Baseball Hall of Fame
• Takeshi Shibata, NPB catcher and manager
• Seiichi Shima, Japanese Baseball Hall of Famer
• Masaharu Tanaka, NPB outfielder
• Go Taniguchi, Japanese national team infielder
• Genbei Tsuji, NPB utility man
• Isao Tsuji, NPB catcher
• Toshio Yabukami, NPB pitcher