| Shinji Sasaoka | |
| Position: | Pitcher / Coach / Manager |
| Birth Date: | 26 August 1967 |
| Birth Place: | Naka District, Shimane, Japan |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | April 12 |
| Debutyear: | 1990 |
| Debutteam: | Hiroshima Toyo Carp |
| Finalleague: | NPB |
| Finaldate: | October 7 |
| Finalyear: | 2007 |
| Finalteam: | Hiroshima Toyo Carp |
| Statyear: | 2007 |
| Statleague: | NPB |
| Stat1label: | Win–loss record |
| Stat1value: | 138-153 |
| Stat2label: | Saves |
| Stat2value: | 106 |
| Stat3label: | ERA |
| Stat3value: | 3.58 |
| Stat4label: | Strikeouts |
| Stat4value: | 1806 |
| Teams: | As player
As coach
As Manager
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| Awards: |
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| Update: | 8 January 2014 |
Shinji Sasaoka (佐々岡 真司, born August 26, 1967, in Naka District, Shimane, Japan) is a former Nippon Professional Baseball pitcher and manager.