| Koichi Suzuki | |
| Birth Date: | 7 January 1956 |
| Birth Place: | Shizuoka Prefecture, Japan |
| Weight: | 70kg (150lb) |
| Status: | Professional |
| Extour: | Japan Golf Tour |
| Prowins: | 4 |
| Japwins: | 4 |
Koichi Suzuki (born 7 January 1956) is a Japanese professional golfer.
Suzuki played on the Japan Golf Tour, winning four times.
| No. | Date | Tournament | Winning score | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|
| 1 | 22 Jun 1986 | Yomiuri Sapporo Beer Open | −19 (68-69-67-69=273) | 2 strokes |  Brian Jones | |
| 2 | 19 Mar 1989 | Shizuoka Open | −3 (67-78-69-71=285) | 1 stroke |  Naomichi Ozaki, Nobumitsu Yuhara | |
| 3 | 20 Aug 1989 | Maruman Open | −10 (70-63-71-74=278) | 1 stroke | Satoshi Higashi, Tsukasa Watanabe | |
| 4 | 2 Jun 1991 | Mitsubishi Galant Tournament | −8 (73-69-70-68=280) | 1 stroke | Isao Aoki, Tsuneyuki Nakajima |
PGA of Japan Tour playoff record (0–1)