| Hiroshi Ishii | |
| Birth Date: | 3 June 1941 |
| Birth Place: | Shizuoka Prefecture, Japan |
| Weight: | 81kg (179lb) |
| Status: | Professional |
| Extour: | Japan Golf Tour |
| Prowins: | 10 |
| Japwins: | 7 |
| Otherwins: | 3 |
Hiroshi Ishii (3 June 1941 - 27 December 2006) was a Japanese professional golfer.
Ishii played on the Japan Golf Tour, winning seven times.
| No. | Date | Tournament | Winning score | Margin of victory | Runner(s)-up | |
|---|---|---|---|---|---|---|
| 1 | 30 Aug 1973 | Chubu Open | −1 (71-71-75-70=287) | Playoff |  Akio Toyoda | |
| 2 | 4 Nov 1973 | Bridgestone Tournament | −13 (71-70-68-67=275) | 2 strokes | Haruo Yasuda | |
| 3 | 3 Aug 1975 | Kansai Pro Championship | −5 (72-74-70-67=283) | 7 strokes | Teruo Sugihara, Shigeru Uchida | |
| 4 | 16 Jul 1977 | Chubu Open (2) | −2 (71-70-73-72=286) | |||
| 5 | 29 Oct 1978 | Bridgestone Tournament (2) | −8 (68-75-69-68=280) | 2 strokes | Fujio Kobayashi | |
| 6 | 22 Apr 1979 | Dunlop International Open1 | −10 (70-68-70-70=278) | 3 strokes | Seiji Ebihara, Tateo Ozaki, Katsunari Takahashi | |
| 7 | 9 Dec 1984 | Daikyo Open | −7 (68-71-71-71=281) | 1 stroke | Masayuki Imai |
PGA of Japan Tour playoff record (1–1)
| No. | Year | Tournament | Opponent | Result | |
|---|---|---|---|---|---|
| 1 | 1973 | Chubu Open | Akio Toyoda | ||
| 2 | 1975 | KBC Augusta | Shinsaku Maeda | Lost to par on first extra hole |