| Katsuo Osugi | |
| Position: | First baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 5 March 1945 |
| Birth Place: | Katsuta, Okayama, Japan |
| Debutyear: | 1965 |
| Debutteam: | Toei Flyers |
| Finalyear: | 1983 |
| Finalteam: | Yakult Swallows |
| Stat1label: | Batting average |
| Stat1value: | .287 |
| Stat2label: | Home runs |
| Stat2value: | 486 |
| Stat3label: | Hits |
| Stat3value: | 2,228 |
| Stat4label: | Runs batted in |
| Stat4value: | 1,507 |
| Teams: | As player
As coach |
| Awards: |
|
| Hoflink: | Japanese Baseball Hall of Fame |
| Hoftype: | Japanese |
| Hofdate: | 1997 |
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.