Iguchi Shiori is a Japanese idol singer. She is a former member of SKE48's Team KII. She was originally a member of Team KII before being demoted to Kenkyuusei on December 6, 2010.
- Birth Name: Iguchi Shiori (井口栞里)
- Nickname: Igucchi (イグッち)
- Date of Birth: March 29, 1995
- Place of Birth: Mie, Japan
- Blood Type: B
- Height: 174cm
- Bust: 81cm
- Waist: 60cm
- Hips: 88cm
- SKE48 (2009-2014)
- Bungee Sengen (Team BLT)
- Pinocchio Gun (Theater Girls)
- Seishun wa Hazukashii (Akagumi)
- Tori wa Aoi Sora no Hate wo Shranai (Akagumi)
- Team KII 1st Stage: Nagisa no CHERRY
- Team KII 2nd Stage: Choco no Yukue
- Team KII 3rd Stage: Cross (Wakabayashi Tomoka's Position)
- Was re-promoted back into Team KII on August 29, 2012
- Originally a member of Team KII, she was demoted to kenkyuusei on December 6, 2010.
- Tallest member of SKE48.