| Medal record | ||
|---|---|---|
| Competitor for Japan | ||
| Men's Baseball | ||
| Summer Olympics | ||
| Silver | Seoul 1988 | Team |
| Bronze | Barcelona 1992 | Team |
| Asian Baseball Championship | ||
| Gold | Seoul 1989 | Team |
| Gold | Perth 1993 | Team |
| Intercontinental Cup | ||
| Bronze | Edmonton 1985 | Team |
| Bronze | Havana 1987 | Team |
| Silver | San Juan 1989 | Team |
| Silver | Barcelona 1991 | Team |
Masafumi Nishi (西 正文 Nishi Masafumi, born November 25, 1960 in Hyogo Prefecture, Japan) is a Japanese baseball player. He won a bronze medal at the 1992 Summer Olympics.