Chen Si (陈思) is a Chinese idol singer. She is a member of SNH48 Team SII.
- Name: Chen Si (陈思)
- Nickname: Jiaolian (教练; Couch)
- Birthday: September 14, 1991
- Birthplace: Hunan, China
- Blood Type: O
- Height: 163cm
- Her skills include being able to use nunchuks, kung-fu, and voice-overs.
- Her hobbies and interests include cooking, anime, and shopping.