Shima Onishi
- Title: Shima Onishi
- Popularity: 3.301
- Known For: Acting
- Birthday: 1975-08-22
- Place of Birth: Kanagawa, Japan
- Homepage: http://www.decadeinc.com/shima-onishi/
- Also Known As: Shima Ônishi, Shima Ohnishi, Ohnishi Shima, Shima Ōnishi, Ōnishi Shima, Ônishi Shima, Oonishi Shima, Shima Oonishi, Onishi Shima, 大西 信満, Takijirou Oonishi, Takijiro Onishi, 大西滝次郎