Watanabe Shiho (渡邊志穂) is a Japanese Idol singer.
- Birth Name: Watanabe Shiho (渡邊志穂)
- Nickname: Shiho (しほ)
- Date of Birth: October 25, 1987
- Place of Birth: Hyougo Prefecture, Japan
- Height: 166cm
- Bands / Groups:
- Single A-sides Participated In
- Stage Units
- Team A 1st Stage: Kiss wa Dame yo (1st Unit)
- Team A 2nd Stage: Namida no Shounan
- Team A 3rd Stage: Rider
- Team B 1st Stage: Blue Rose
- Team B 1st Stage: Fushidara na Natsu
- Cut her hair when she joined Team B because she thought she looked too much like Inoue Naru.