Oya Shizuka (大家志津香) is a Japanese singer and idol managed by Watanabe Entertainment. She is a former member of the Japanese pop girl group AKB48.
- Name: Oya Shizuka (大家志津香)
- Nickname: Shiichan (しーちゃん)
- Birthdate: December 28, 1991
- Birthplace: Fukuoka, Japan
- Blood Type: O
- Height: 167cm
- Bust: 84cm
- Waist: 63cm
- Hips: 89cm
- Bands / Groups:
AKB48 Song Participation
- AKB48 Team A 4th Stage "Tadaima Ren'aichuu" Revival
- Kikyou (Kenkyuusei understudy)
- AKB48 Kenkyuusei "Tadaima Ren'aichuu"
- AKB48 Team K 4th Stage "Saishuu Bell ga Naru"
- AKB48 Team B 3rd Stage "Pajama Drive"
- AKB48 Team B 4th Stage "Idol no Yoake"
- AKB48 Kenkyuusei "Idol no Yoake"
- AKB48 Team K 5th Stage "Saka Agari"
- AKB48 Team A 5th Stage "Ren'ai Kinshi Jourei"
- THEATRE G-ROSSO "Yume wo Shinaseru Wake ni Ikanai"
- AKB48 Kenkyuusei "Ren'ai Kinshi Jourei"
- AKB48 Team A 6th Stage "Mokugekisha"
- AKB48 Team B Waiting Stage
- AKB48 Team B 6th Stage "Pajama Drive"
- AKB48 Team A 7th Stage "M.T. ni Sasagu"
- AKB48 "Boku no Taiyou" Revival
- Originally a 4th generation member AKB48 Kenkyuusei, she was promoted to Team A on July 27, 2010, then transferred to Team B during the AKB48 team shuffle in 2012. During the AKB48 Group Grand Shuffle in 2014, she was announced as sub-captain of Team B with Kuramochi Asuka as captain, then transferred back to Team A during the AKB48 team shuffle in 2015. She was transferred back to Team B during the AKB48 team shuffle in 2017. She announced her graduation on November 20, 2021, and she graduated on December 28, 2021. She was the last 4th generation member to leave the group.
- She is close with Kitahara Rie, Sashihara Rino, Komori Mika, and Yokoyama Yui.
- Her oshimen is Kobayashi Kana.
- Favorite food: Ice, dried cuttlefish, strawberry crepes, sweet green peppers
- Favorite drink: Barley tea
- Favorite artist: Yuzu & Pornograffiti
- Favorite TV show: Tokudane
- Favorite magazine: Popteen and Owarai Poporo
- Favorite season: Spring and summer
- Favorite brand: HbG, Tommy Girl, ValenTine’s, and High
- Favorite AKB single: Yuuhi wo Miteiru ka and Keibetsu Shiteita Aijou
- Favorite AKB stage song: Cinderella wa Damasarenai and Shinkirou & Kikyou
- Favorite AKB outfit: The opening outfits from Tadaima Renaichuu
- In the 2010 AKB Visual Book's 48 questions section, she says her hobbies include reducing her gas and electric bill.
- Is well known for her wacky antics on AKBINGO!.