As coach Katsuo Osugi (大杉 勝男, Ōsugi Katsuo, March 5, 1945 – April 30, 1992) was a Japanese professional baseball first baseman in Nippon Professional Baseball.

He played for the Toei Flyers / Nittaku Home Flyers / Nippon Ham Fighters from 1965 to 1974 and the Yakult Swallows from 1975 to 1983.

[1] He was the Japan Series MVP in 1978 and was inducted into the Japanese Baseball Hall of Fame in 1997.

[2] Osugi's 486 career home runs places him ninth on the all-time NPB list.